Seznam článků v ELEKTOR 1998, 1999, 2000
RokČísloStrana Popis
981014 Portable sound-pressure metr (Sound analysis with LED indication)
981020 Introduction to digital signal processing (A new six-part-course)
981026 Electronic Handyman Part2 (Architecture of the AVR microcontroller)
981032 Modern modem technology (ever-faster modems?)
981038 Electronic engineering (EE) Virtual Libraries
981039 Datasheets (AT90S1200)
981042 Stereo microphone input adaptor for PC (useful extension of sound card)
981046 DS5000 soft microcontroller from Dallas (8051-compatible)
981050 Readers Letters
981051 Readers Letters
981054 Uninteruptable Power Supply UPS for cordless telephones
981052 Electronic die (powered by 3Vlithium battery)
981068 Smartcard Reader/Writer (Part 2)
981x02 International Microprocessor Competition 1997
981x03 IC Tester
981x06 PIC on the Rocks
981x09 Cable Tester
981x12 Display Refresh Meter (LCD)
981x14 PLD Gyroscope Version II
982012 JFET tester (FET matching and testing made simple)
982018 Frequency display and VFO stabilizer
982024 AVC for PCs (limits differences in sound level)
982030 80C32 BASIC control computer (introduction and circuit descriptions) – 1
982036 Simple electronic metronome (with 440 Hz generator)
982039 Electronic on-line (no more peeping Toms on the Internet)
982040 Introduction to digital signal processing (2) – Sampling and digital filters
982048 AM/FM antenna impedance matching IC
982052 Stage-lighting control (with DMX512 protocol)
982056 Functional trinket (reacts to sound pressure)
982069 Datasheets (MCS-52 Basic Language)
982x02 A simple PC network (a cable is all you need…)
982x06 RS232 interface for 68HC11 (with a program loader for small systems)
982x10 USB and FireWire (connecting all digital devices via a simple cable)
982x14 Light intensity measurement with a PC (no external power supply required)
983016 Variable power supply 0-24V, 1A or 2A (ideal for the small workshop)
983022 Balanced/unbalanced converters for audio signals (for high-end applications)
983028 Introduction to digital signal processing (digital bandpass filters) – 3
983034Digital Audio Broadcasting (DAB) Radio programmes with CD quality
983040 80C32 BASIC control computer (2) – construction and testing
983046 Ionization circuit (do negatively charged ions improve the quality of life?)
983050 IC tester (circuit description and construction)
983062 Electronics on-line (Semiconductor overviews)
983063 Corrections and Updates
983064 Flashing brooch (optoelectronic pocket format)
983071 Datasheets (SSM2142)
983x02 How do I set up a network?
983x03 How do I set up a network?
983x06 Data acquisition by modem (remote measurement and control by teleph. line)
983x12 Dust in the PC (spring-cleaning old dust eaters)
984014 20-metre SSB/CW receiver (a budget receiver based on direct conversion)
984020 Parking sonar (range monitor to make parking safer)
984026 PC-aided BJT tester revisited (now with Windows software)
984034 Digital Audio Broadcasting (DAB) (2) – Data management of the DAB signal
984040 E-meter (to check the radiation from your VDU)
984046 IC tester (2) – menu structure and test-vector building
984052 uProcessor System Hardware Monitor (single IC monitors whole system)
Počet stran
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Introduction to digital signal processing (4) – from echo to FIR filter
Readers Letters
Datasheets (AD557)
Electronics on-line Free radio! (Radio station on the Internet)
Faster access to the Internet (by cable and satellite)
Mains filter with overvoltage protection (increases the noise immunity of sens.)
The modem printer port (IEEE 1284 is quickly gaining ground)
Broadband RF preamplifier (for LW and MW – DXing)
Monitor/TV refresh rate meter (obviates eye strain)
DCF-controlled LED clock (replica of Rhine Tower Clock)
418/433 MHz short-range communication (remote control system)
Introduction to digital signal precessing (5) – more about filters and modulation
Electronics on-line (design-hunting)
Battery-resistance meter (for all kinds of battery)
Fibre optic data communication (RS232 interface with fibre optic links)
PICXEX (an operating system for PIC 16C7x processors)
Home Automation Modem (TDA 5051A)
Datasheets (ICM7218A)
Readers Letters
Computer emulators (using a PC to mimic other systems)
SCSI (fast, flexible and versatile)
A noisy PC (and what you can do about it)
Co-channel interface supression using stacked antennas (VHF/UHF and TV)
Electronic accelerometer (measure acceleration, deceleration, shock, tilt, vib.)
Electronics on-line (PICs on the Internet)
PIC and AVR programmer (HW and SW to program PIC, AVR microcontroll.)
Flat-panel displays (current and new technologies)
Introduction to digital signal processing (6) – Modulation and demodulation
Discharge circuit (for 1,2 V sintered NiCd batteries)
AM/FM Receiver IC (for digital tuning)
Conductance tester (with buzzer or LED indication)
Field Programmable Analogue Array (MPAA020 from Motorola)
Liguid-level gauge (an original application for the ST62T20)
Datasheets (V23057, UM8250A)
A simple A-D converter (works with the serial port of any PC)
RS232-controlled 8-channel switch (using CMOS logic and VB)
IRQ and DIVA usage (right-of-way rules for the PC)
Project for PC and infrared remote-control
4-bit analoque-to-digital converter
4-bit analoque-to-digital converter
100-watt single-IC amplifier
Thrifty voltage regulator
Two-wire temperature sensor
Microgate logic
Universal lead-acid battery protector
Dc-DC converter
Overload protection
Rear light afterglow
“Chip card” as security key
Electronic spirit-level
Low-drop 5 V regulator (LT1300)
Liguid-crystal display (LCD) tester
Exposure timer for UV light box
Simple function generator
Infra-red received
Celsius thermometer
Doorbell-controlled burglar deterrent light
Crossover for subwoofer
Electrical isolation for IIC bus
Mini audio signal generator
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Ultra-lowpower 5 V regulator
PIC 16C84 programmer for Centronics port
Low-power voltage reference
Modem off indicator
Balanced microphone preamplifier
Oscillation monitor
Infra-red proximity detector
Mains master/slave control Mk2
LED bar off indicator
Low-cost devsystem for PICs
Car interior lights delay
Auto power off
Pan pot
Three-state continuity tester
Automatic light dimmer
Microphone valve preamplifier
Op amp with hysteresis
Sounds from the Old West
Cable analyser
Pulse rate monitor
General purpose oscillator
Two-way AF amplifier LM4830
Game control adaptor
Centronics in system programmer
Berlin clock
Active short-wave antenna
Reflector for pedestrians
Multi colour LED
NiCd battery charger
6-channel running light
Extension board for MatchBox BASIC computer
Thyristor tester
Automatic air humidifier
Pulse/frequency modulator
Switch-mode power supply
Imput impedance booster
Soft start for switching power supply
Infra-red remote control tester
Symmetrial full-wave rectifier
Video amplifier
Simple infrared transmitter
Low-impact muscle stimulator
‘Ultima’ loopstick VLF antenna
Readesr and Letters
Battery tester (for all 1,5 V and 9V batteries)
RC5 remote control extension
Simple copybit killer (enables limitless digital copying)
Developments in battery chargers (for NiCd, NiMH and Li+ batteries)
ESD protection for I/O ports
Maintenance charger (for 6 V and 12 V lead-acid batteries)
International PC Software Competition (Measurement,Development, Communications)
Readers and Letters
Readers and Letters
Battery tester (for all 1,5 V and 9V batteries)
The super audio CD (better sound, more facilities, and backward compatibility)
Laser-controled burglar deterrent (simple, effective and inexpensive)
Active magnetic antennas (have general coverage receiver, will travel)
How does a digital loudspeaker system work? (Digital loudspeaker system Type DS4)
Corrections and Updates (intelligent IC tester)
418/433 MHz control system (8 switching channels, 6 modes)
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98ch05
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Multiple teast card (for microcontrollers)
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Versatile aid for experimenters (with signal tracer and continuity tester)
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Datasheets (RC 5 Codes)
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Experimental power supply for PCs (adjustable between 1V and 12V, and from 50mA to 1,5A) 4
Do more with the gameport (some examples of alternative programming)
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Accurate time measurement in VB (create SW delays with 100us resolution)
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Small VGA-tester (check computer displays within seconds)
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418/433 MHz field-strength meter (range-test and equipment positioning aid for 70-cm SRDs) 6
Digital cameras (how do they work?)
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Versatile control system PLC87(A) (1) – a PVC based on the Simatic S5 instruction set
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Tachometer (for mopeds and (motor) scooters)
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Faultfinding (art or science?)
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Clipping indicator (for compact disc)
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Compact 3,3 V charge pump converter (in 5-pin SOT-23 package)
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Refrigerator economizer ( for older models)
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Electronics Work-bench Layout ( simulation program starts to design PCB layouts)
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Datasheets (AD22100, CS8412)
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Linux – a Windows alternative ?
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AVR-RISC evaluation system (1) – experiment with Atmel’s latest RISC processors
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R/C interface for PC flight simulator (the solution for the true modeller)
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External port for tape streamer (connect to floppy-disk controller)
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RF signal generator (1) – circuit descriptions
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Versatile control system PLC87(A) (2) – command list (CL) programming
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Smartcard-operated code lock (give expired Smartcards a second life)
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PC control for MiniDisc player (beam up track titles from your PC)
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RDIF systems ( using smart cards)
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Barometer/altimeter (1) – meter with many facilities
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Electronics on-line – information on CD-R(W) – where to find background facts
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Programmable sensor interface MLX90308
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Datasheets (PLC87 (A))
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AVR-RISC evaluation system (2) – experiment with Atmel’s latest risc processors
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Keyboard switch (many computers, one keyboard
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Cd-R formats (all about ISO Romeo, Joliet and UDF)
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A compact display controller (driving a display or printer using only two Ics)
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Master/slave switch ‘deluxe’ ( switch on slave devices safety and automatically)
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International PC-Software contest – The Winners
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Electronics on-line – oscilloscope software ( soundcard becomes A-D converter)
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Anemometer (based on Hall-effct sensor)
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RF signal generator (2) – construction, operation and adjustment)
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32-channel PC-controlled light dimmer (de luxe controller for ohmic and inductive loads)
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Barometer/altimeter (2) – programming, calibration, software and operation
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Digital terrestrial television (DTT) – An inevitable development
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Electronics on-line – oscilloscope software (soundcard becomes A-D converter
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Torchlight dimmer, battery-charging indicator, playback amplifier, memory change-over tip
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Ultra low-niose MC preamp., oscillator, presence filter, polarity reverser, mains phase ind.,
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Mains splitter for AF power amps, modified humidity control
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Car immobilizer, sine wave to TTL conv., imput impedance booster
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1-watt BTL amplifier, simple electrification unit, balanced amplifier for photo-diode,
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A-D conv. For MatchBox BASIC comp., ten-band equalizer, lead-acid-battery regul.
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XS symmetrical supply, speech eroder, thrifty light-controlled switch, light from flat batteries 4
low-cost function generator, 1,5A step-down switching regulator,
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IIC temperature sensor, Fast voltage-driven, ambiet-niose monitor, up/down drive for tone contr. 4
LED barometer, 12/24/48V d.c. tester, 0,5-6 GHz low-noise amplifier, LED lighting for consum. 4
Datasheets (XC9536, OHN3040U, OHS3040U)
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Treble tone control
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Torchlight dimmer
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Battery-charging indicator for mains adaptor
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Playback amplifier for cassette deck
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Memory change-over tip
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Improved power-down for the 8051
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General-purpose alarm
Accurate bass tone control
Ultra low noise MC preamplifier
Philbrick oscillator
Presence filter
Polarity reverser
Mains phase indicator
Mains splitter for AF power amps
Modified humidity control
Circuit ideas for the NE612
Car immobilizer
Sine wave to TTL converter
Imput impedance booster
1-watt BTL audio amplifier
Simple electrification unit
Balanced amplifier for photo-diode
A-D converter for MatchBox BASIC computer
Ten-band equalizer
Lead-acid-battery regulator for solar panel systems
Mains pulser
XS symmetrical supply
Speech eroder
Thrifty light-controlled switch
Light from flat batteries
Infra-red burglar alarm
Latch uses 555 in memory mode
Low-cost function generator
1,5 A step-down switching regulator
IIC temperature sensor
Fast voltage-driven current source
Simple moisture detector
Ambiet-noise monitor
Up/down drive for tone control
Mains filter revisited
LED barometer
12/24/48 V d.c. tester
0,5 – 6 GHz low-noise amplifier
LED lighting for consumer unit cupboard
ATU for 27-MHz CB radios
Single-supply operation of the AD736
Digital output with sink/source driver
Parallel-toserial converter (and the other way around, with just four Ics)
Preamplifier for soundcard (for inductive pick-up elements and dynamic microphones)
Intercast (free Internet pages via TV signals)
PC-on-a-chip (ZF Microsystems present an integrated solution)
Joystick and MIDI interface for Soundblaster cards (expand those soundcard connections!)
Battery capacity measurement by PC (run true-capacity tests rechargeable batteries)
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991012
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991026
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991063
991065
Electronics on-line (Datasheets component documentation)
Home alarm systém (programmable burglar deterrent with a PC interface)
General-coverage receiver (1) – circuit descriptions
RF decibel meter (wideband with large measuring range)
Conductance tester (with DIY sensor)
DC-DC step-up converter (no-iron converter for mobile charging of low-power battery packs)
Radio Text (Radio Teletext now also in Europe)
The Iridium Network (Mobile telephony via satellite)
Multiburst generator (video test signal from two Ics)
Fluorescent lamp starter (2-chip set from SGS-Thomson)
When electronics was young (1)
Datasheets (AD8307, MB501L)
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Electrocardiograph (International First Prize)
50-MHz logic analyzer (first Prize, Germany)
MicroPascal (First Prize, Netherlands)
Logic Simulator 2.0 (First Prize, France)
Temperature recorder (First Prize, UK national entries)
Electronics on-line (CPU coolers and boosters faster and cooler with just software)
Microcontrollers’ survey (news from the world of bit crunchers)
General-coverage receiver (2) – construction and operation
Precision current gauges (with low-loss sense element and PWM output)
Datalogger for DMM (for Metex and Voltcraft DMMs)
SX-microcontroller evaluation systém (1) – introducing the Scenix SX micro
Wave file player (a music box that you can program with your PC)
Titan 2000 (high-power hi-fi and public-address amplifier
Auto shuttle service for model railway (from A to B and back)
Datasheets (2SA1987, 2SC5359)
COM-Watch (problem sleuth for seriál ports)
Digital audio formats (more sounds from your computer)
Printer port extension (up to 256 I/O lines on a standard printer port)
When electronics was young (2)
Beyond 2000 (Predictions anyone?)
VGA display tester (check those computer displays)
Noise generator (white or pink noise at the flick of a switch)
Evaluation systém for 80C166 (1) – introducing the 16-bit SAB80C166
Titan 2000 (2) – protection network
SX-microcontroller evaluation system (2) – the programming adaptor
Circuit testing with a sawtooth (audio measurements in theory and practice)
Readers Letters
Corrections and Updates
EL lamp driver Type IMP803 (high voltage on chip)
Datasheets (MAX280)
Electronics on line (calculators on the Internet)
Electronics freeware (free programs for a variety of applications)
When electronics was young (3)
Simple CPU voltage regulator (use K6, Cyrix and Pentium MMX processors in older comp.)
IIC interface for the printer port (easily programmed with Visual Basic)
Eye pattern meter (measure the quality of home-made CDs)
PC screen data flasher (a wireless interface between the PC and PIC)
PCB design and mains voltage (safety and reliability)
Servo tester 9with a built-in pulse generator0
A Yagi aerial for 900-Mhy GSM 9a fixed antenna for better connection)
SX-microcontroller evaluation systém (3) – the SX prototyping board
General purpose variable power supply ( easily adapted to individual requirements)
Titan 2000 (3) – construction and setting up
Evaluation systém for SAB80C166 (2) – construction and use
LightFinder ( a Stamp-powered Lego vehicle)
Datasheets (MAX192, IS471F)
Readers and Letters
Electronics on-line (Trojan Horses strike again!)
DIY hard disk installation (create lots of space – dirt cheap!)
How many drivers?
Video processing on the PC (1) – basics
When electronics was young (4)
Chaos in electronic circuits (seeing is believing)
Digital control for model trains (design considerations)
Sealed lead-acid (SLA) battery charger (for 6 V and 12 V (VR) SLA batteries)
Titan 2000 (4) – wiring and performance
Measurement oddities (faultfinding with an ohmmeter)
When electronics was young (5)
Component ordering by Internet (towards the digital Edgware Road?)
SX-microcontroller evaluation systém (4) – more programs, applications and tips
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Fan control (for high-power output amplifiers)
Laser-based vernier calliper gauge (enables contact-less measurements)
Electronics on-line (multi-purpose infrared control, simple IR control systems for Sony audio)
Datasheets (2SA1930, 2SC5171)
Induction lighting (economical lamps with a long life)
Video DVM (measurement values on monitor, TV or PC)
Windows 98 Tips and Tricks
Video processing on the PC (2) – using the video editor
IIC stepper motor controller ( a unipolar stepper motor under digital control)
RF market generator (calibrate receivers, receiver dials and signal generators)
When electronics was young (6)
DIT: from vinyl to compact disk (with a PC and sound card)
Weather-satellite decoder (a PLL-based intelligent interface)
Conductive plastics (of luminescent plastics and plastic transistors)
Development system for 68HC11F1 (accepts eight different memory devices)
Tiotan 2000 (5) – half-bridging two single amplifiers
Bridge-tied-load (BTL amplifier Type TDA8552 (high voltage on chip)
PC-controlled model railway: EEDTS Pro (1) – the hardware
P.O.Box 1414
Electronics on line (DIY audio CDs, manuals, HW and SW descriptions)
Datasheets (AT90S2323)
New ST7 controllers (faster, more versatile and with more features)
Windows 98 Tips and Tricks
S/PDIF connections for the PC (useful, or an unnecessary luxury?)
EEPROMs and the BASIC control computer (FAQs for the BASIC computer)
Make your own music CDs (Digitizing LPs and making your own compilations)
Two-wire temperature sensor
+-20 A current monitor
Buck-boost converter without magnetics (3-4 cells to 3,3 or 5 V)
Multi-decade pulse generator with selectable duty cycle
Matching attenuator
PAL timing (1)
AVC Logic family
AM modulator and 50 Ohm RF output stage
Switch-on-current limiting
Tiny analogue switch alleviates IIC address conflicts
Measurement interval generator
High-current, high-speed buffer
Discrete voltage regulator
PAL timing (2)
Polarity-free PSU filter for ham radio
Bell transformer supply for wave-file player
Impedance matching network
Nostalgic combination lock
Variable oscillator
3 V supply splitter
Stroboscope filter
Supply voltage monitor
Temperature-compensated crystal oscillator
Fixed-gain line driver OPA3682
Pull-up accelerator (for IIC)
Pulse doubler
Three-phase sine wave generator
Adjustable precision voltage source
Isolating transformer for S/PDIF
Switching regulator
EEPROM protection in AVR controllers
Code lock
Voltage boosting with inverters
Crystal frequency multiplier
4
3
1
2
3
4
3
4
3
4
1
5
5
4
7
4
3
5
1
1
2
4
2
2
2
5
1
2
1
2
1
1
1
2
1
2
2
1
2
2
1
2
1
2
2
1
2
1
2
1
1
2
2
2
2
1
2
1
1
1
997035
997036
997037
997038
997039
997040
997041
997042
997043
997044
997045
997046
997047
997048
997049
997050
997051
997052
997053
997054
997055
997056
997057
997058
997059
997060
997061
997062
997063
997064
997065
997066
997s14
997s22
997s28
997s36
997s80
997s92
997s96
997t00
997t04
997t10
999014
999019
999020
999024
999030
999034
999042
999046
999054
999057
999060
999x02
999x07
999x08
999x12
99a014
99a022
99a028
Single-supply precision rectifier
Dual-output, low-power thermostat
Thermostat I
Polarity protection
Modified mains switch
Slowed-down fan
Fifth-order low-pass filter
RS-232 transceiver for portable application (with ADM101E)
Synchronous system to measure mikroOhm
Thermostat II
3-frequency oscillator
Switch-mode lithium-ion battery changer (with MAX745)
Infra-red sensor/monitor
Pulse generator with variable duty factor
Power supply regulator with sense lines
Line switch for PC sound card
Passive splitter for S/PDIF
Temperature-compensated zener diode
Universal countdown timer
Simple constant-current source 1 mA
LOGO! Interface
One-chip LCD interface (EDE702)
Accelerometer tilt sensor
Overvoltage protection
Discrete voltage inverter
Oven-controlled temperature stability
Feedback circuits clamps
Mains/fuse failure indicator
13 V / 2 A PSU for handheld rigs
Simple relay step-up circuits
S/PDIF test generator
Programmable state-variable active filter
Funky drummer (a programmable drum machine)
LCD drive (via 8032 BASIC)
PC – controlled model railway : EEDTS Pro (2) – the control software
CW generator (aid for radio amateurs)
Battery charger (reliable, yet inexpensive)
PC-controlled model railway : EEDTS Pro (the booster amplifier)
Software debugging tools for 80C166 (Hitex Telemon 166 debugger specially adapted for Elek.)
Power for panel meter (without auxiliary battery)
When electronics was young (6A)
Power for panel meter (without auxiliary battery)
Digital PID controller (closing the loop with a PIC)
When electronics was young (7)
BASICStamp programming course (1) – introduction and BoE hardware
The CAN bus (intelligent, decentralized data communications Part 1)
EGO sensor tester (ensuring a correct air-fuel ratio)
Temperature recorder DS1615 (for computerised long-term temperature logging)
Digitally-controlled potentiometers (with integrated voltage comparators)
PC-controlled model railway : EEDTS Pro (booster amplifier revisited)
Stepper motor control (1) - stepper motor construction, function and control
Datasheets (DS1615)
Electronics On-Line the Tesla coil ( make your own lightning)
SXp precompiler (structured assembly-code programming for Scenix SX microcontrollers)
Optical output for CD-ROM drive (a new life for old PCs)
Hexadecimal keypad for PCs (problem-free programming)
PC Upgrade (modernizing old motherboards)
Stepper motor control (2) – SMC, a 80C166-powered driver for 4 motors
Battery charge/refresh station (1) – automatic charging at up to 3 A
BASICStamp programming course (2) – building the BOE-Bot
2
2
1
2
1
1
1
2
1
2
1
2
2
1
1
1
1
1
1
1
2
1
1
2
1
2
2
1
2
1
1
2
6
4
5
4
3
4
4
3
1
3
6
7
4
5
3
5
3
3
3
2
1
5
1
4
4
6
6
4
99a036
99a042
99a050
99a056
99a057
99ax02
99ax05
99ax06
99ax10
99ax12
99ax13
99ax14
99b012
99b014
99b020
99b026
99b032
99b037
99b040
99b046
99b052
99b058
99b064
99b065
99bx02
99bx07
99bx10
99bx15
99c012
99c016
99c024
99c027
99c064
99c068
99c074
99c078
99c088
99c089
99cx02
99cx07
99cx08
99cx09
99cx11
99cx12
99cx15
99ch01
99ch02
99ch03
99ch04
99ch05
99ch06
99ch07
99ch08
99ch09
99ch10
99ch11
99ch12
99ch13
99ch14
99ch15
Controller area network (CAN) – intelligent, decentralized data communications Part 2
5
poor man’s short-wave radio (small but effective)
4
EEDTS Pro super loco decoder (for use with virtually any make of locomotive)
5
Electronics On-line (watching movies on your PC) DVDs on the rise
1
Datasheets (TDA1572)
2
Atmel FPGA design course (1) – introduction
4
When electronics was young (8)
1
ST-realizer for ST6 and ST7 microcontrollers (a next-generation graphics-oriented development) 4
Build your own active SCSI terminator
3
Corrections and Updates
1
Minimal servo tester (via the Centronics port)
1
Windows 98 Tips and Tricks
3
When electronics was young (9)
1
Stepper motor control (3) – construction and software
4
Controller area network (CAN) – intelligent, decentralized data comm. in practice Part 3
5
Enhanced TV line monitor (select and check video line contents)
5
Gradient meter (based on the recently introduced Type ADXL105 from Analog Devices)
3
Corrections and Updates
1
BASICStamp programming course (3) – BASIC programming
5
Battery charge/refresh station (2) – construction, adjustment and practical use
6
Fast internet access by ADSL technology (via standard (copper) telephone lines)
6
Audio DAC 2000 (1) – for perfectionists
5
Electronics on-line modifying DVD players (how to change region codes)
1
Datasheets (CS8414)
2
Micro datalogger (for use with a PC and stand-alone)
6
A cable for all occasions (correct connections for your laptop PC)
2
Atmel FPGA design course (2)
5
Recycling hard disk drive motors
2
Flashing Christmas star (a lively Christmas decoration)
4
A4 monitor (a compact high-end loudspeaker)
6
Mains adaptor switch (improves adaptor efficiency)
4
When electronics was young (10)
1
Controller area network (CAN) – intelligent, decentralized data comm. in practice Part 4
4
Digital inputs and outputs (for the SoundBlaster Live!Value Card)
5
BASICStamp programming course (4) – Obstacle Alley
4
Audio DAC 2000 (2) – digital filter and DACs
5
Electronics on-line history (looking back … via the Internet)
1
Datasheets (PCM1704)
2
Universal interface for Windows (making measurements wits Uniface and Compact)
5
PC fan speed controller (for a low-noise PC)
1
CPU thermometer (overclocking without overheating)
2
An electronics removable disk (virus protection using two hard disk)
2
Adjustable delay for PICs (a small but useful routine)
1
Atmel FPGA design course (3)
3
Switched mains output for ATX
1
Touch dimmer
2
Absolute-value meter with polarity detector
2
General-purpose NiCd battery charger
2
Siren driver
1
High-resolution AC/DC voltmeter with LED display
2
Bicycle rear-light afterglow
2
Frequency converter
2
Rugged PSU for ham radio transceivers
1
Stepper motor control
2
+- voltage on bargraph display
1
Single-supply instrumentation amplifier
1
Mains voltage detector
2
Generator scale enhancement
2
S/PDIF monitor
2
Printer port for BASIC Stamp
1
99ch16
99ch17
99ch18
99ch19
99ch20
99ch21
99ch22
99ch23
99ch24
99ch25
99ch26
99ch27
99ch28
99ch29
99ch30
99ch31
99ch32
99ch33
Bipolar ralay with single supply
Speed controller for model train (ZN419CE)
Programmable amplifier
LPT/COM tester
12-bit ADC with IIC interface (MAX128)
Configurable clock generator
Auto switch for toilets
Temperature reference
Multiple continuity tester
Steep-skirted low-pass filter
Transistor bistable
Minimum/maximum thermometer
Power diode for solar power systems
Push-button dimmer switch
Timer
Capacitance meter
Pascal for the MAX512
Railway barrier monitor
2
2
1
2
2
1
2
2
1
2
1
2
2
2
2
1
3
1
001012
001020
001022
001026
001032
001036
001040
001044
001046
001054
001055
001x02
001x08
001x10
002011
002016
002022
002028
002033
002035
002036
002040
002044
002048
002050
002053
002x02
002x06
002x10
002x12
003012
003016
003022
003026
003032
003036
003039
003042
003046
003052
003053
Audio DAC 2000 (Part 3: practical matters)
Wideband active loop antenna (for general-coverage receivers)
537 ‘Lite’ computer (1) a high-performance,low-budget core microcontroller
Rhine Tower clock Mk II (a special design,with a circuit board shaped like …
Transformer board (for the Audio DAC 2000 and many other circuits
BASICStamp programming course (5) - Remote Rover
PC-controlled model railway (EEDTS-Pro loco address return signaller)
Static charges (all the shocking facts)
Controller area network (CAN) (5) a CAN interface using BASIC537
Electronics on-line (build a crystal radio, back to the early days)
Datasheets (DF1704)
Compiler for PIC16C84 (with code optimisation)
LPT exerciser (gateway to the paraller port)
Bluetooth (2.4-GHz data radio instead of computer cables)
P.O.Box 190 (When Electronics was Young (9))
2-metrer band converter (capture 144 MHz DX signals)
Infrared remote control for Sony MZ-R30 Walkman (a useful add-on a player)
Parameter box for MIDI software (convenient SW synthesizer operation)
Flashing LED sweetheart (an original Valentine present)
Electronics on-line (Nick’s hardware area-InfoDesk on electronics)
BASICStamp programming course (6) - introducing the FSM concept
BASIC-537 (a high-level language for the 80535/537)
One-IC audio power amplifier (50+ watts from a 12V battery for in car use)
Desoldering (a craft in its own right)
537 ’Lite’ computer (2) – programming and practical use
Datasheets (HT12D)
Pcinterface for Nintendo joystick (using the Nintendo 64 to run PC games)
Running text display (controlled by a COP8-microcontroller)
Byte generator (for testing DAOs and digital controls)
PC keyboard encoding (everything you ever wanted to know about the signals
Solar charging regulator (for panels up to 53 watts)
Midget medium-wave reciever
Digital volume control (for Audio DAC 2000)
Digital volume control (for Audio DAC 2000)
Sppedometer (for model cars)
Temperature measurements with a DS1621 (a smarter sensor with an IIC-bus)
Corrections a updates
Sollars cells from Royal Dutch Shell
New audio formats (high resolution and lots of features)
Electronics on-line (build tour own plotter)
Datasheets (DS1621)
6
2
4
5
2
4
3
2
5
1
2
6
2
6
1
4
5
5
1
1
3
4
4
2
3
2
4
4
2
4
3
4
5
5
3
4
1
3
5
1
2
003x02
003x06
003x09
003x10
003x12
004012
004020
004024
004030
004035
004036
004040
004045
004048
004054
004060
004063
004065
004068
005012
005016
005020
005028
005032
005039
005040
005045
005048
005052
005056
005060
005064
005066
005068
005072
005073
005076
006014
006024
006028
006033
006035
006041
006048
006050
006056
006060
006065
006068
007001
007002
007003
007004
007005
007006
007007
007008
007009
007010
007011
32-channel digital input card for PC seriál port
I/U curve tracer (driven via the PC printer port)
ATX power switch substitute
Java MultiMeter (JMM) handy SW for RS232 multimeters
Versatile LED display (for use with many microprocessors systems)
Low-Impact Muscle Stimulator with preatment programs
Universal Parallel Input/Output for PCs
Robots in the automobile industry
BASICStamp programming course (8) – the photophobic robot
Robot parts (order electronics and mechanical parts on-line)
Lego Robotics Invention Systém (with your PC)
PC motherboards (a new generation – slot 1 and slot 2)
Active whip aerial (mini short-wave aerial)
Vioce shifter (original effects unit)
Multifunctional clock (a large display and many features)
Simple high-side current meter
Vibrating batteries for GSM phones
Datasheets (RSC-164)
Hotkeys keyboard (with 18 freely programmable keys)
RC5 Sleep Timer (everything off!)
MIDI Merger (two signals for one receiver)
MP3 Basics and Chipsets (Staging a DiY Stand-Alone MP3 Player)
Record/Playback Module (a solid-state recorder)
Battery technology today ..
Do more with your BASICStamp (Hundreds of applications from L.O.S.A.)
Hotkeys keyboard (construction, SW and a few tips)
Measuring in Word and Excel (using Visual Basic for Applications)
Lego Robotics Invention System (working with sensors)
Seriál transceiver (electrically isolated RS232)
Seriál transceiver (electrically isolated RS232)
Working with a Touch Screen
Lead-free soldering (silver and copper instead of lead)
PC-hosted test equipments (oscilloscope, generator and frequency counter)
MAX807 watchdog for microcontroller systems
Soft start for torch (increases the life of torch bulbs)
Datasheets (DAC 3550A)
Working with SMDs (it’s just a matter of practice)
Intelligent Door Lock (an advanced access control system)
Kinetic Auto Relay (electromechanics by the square centimetre)
One-Wire Spy (monitor for 1-wire Ics)
Make Your Own Mini DVDs (15 minutes worth of film on a CD-R)
Magnetic Card Reader (tracking down the ISO track)
Valve Preamplifier (1) – Based on the ECL86
Tiny Webservers (link your project to the Internet)
PC Interface for the CAN Bus (with new software)
Wireless Application Protokol (WAP)
DVD – the Megastore (with a great future)
Datasheets (LEGO RCX, OCX)
Lego Robotics Invention Systém (3) – working with Visual Basic
Transmitter for Fibre-Optic IR Extender
ESR Measurements
Electronic Stethoscope
Heatsink Calculations
Precision Electroscope
Adapter for SB Live! Player 1024
3-volts Car Adapter
Noise-Driven Sound Generator
DIY Front Panel Foils
Receiver for Fibre-Optic IR Extender
Noise Injector
4
3
1
2
5
7
3
6
4
1
4
5
3
3
6
3
2
2
5
4
3
5
2
6
1
5
3
4
3
3
4
2
2
3
1
2
3
5
3
5
1
6
7
2
5
3
5
2
4
2
2
1
2
1
2
1
2
1
1
1
007012
007013
007014
007015
007016
007017
007018
007019
007020
007021
007022
007023
007024
007025
007026
007027
007028
007029
007030
007031
007032
007033
007034
007035
007036
007037
007038
007039
007040
007041
007042
007043
007044
007045
007046
007047
007048
007049
007050
007051
007052
007053
007054
007055
007056
007057
007058
007059
007060
007s14
007s28
007s34
007s38
007s42
007s62
007s64
007s84
007s86
007s88
007t00
Bipolar Stepper Motor Control
Compact Switching Step-Down Converter
White LED Lamp
Low-Noise Microphone Amplifier
Power-On Sequencer
+- 5-V Voltage Converter
JAL for the PIC84
Simple Touch Pad Dimmer
8 Channel D/I Card for RS232
PC 12-V Adapter
2 x single = 1 x dual (OZ)
AF Amplifier with Up/Down Volume Setting
Simple RF Detector for 2 m
Max. Temp. Detector for Fan controller
Two-Position Dimmer
10 to 1000 MHz Oscillator
0 – 44 dB RF attenuator
Video-Out Coupling
Baud Rate Generator
Simple MD Cartridge Preamplifier
High-Side Current Measurements
One Transistor Radio
Stepper Motor Generator
Video Correction for Pinnacle Studio MP10
Series/Parallel Equivalent Circuits in Excel
Optical S/PDIF Output
Measuring Inductors
Simple mV Source
Simple Frequency Doubler
Seriál-to-Parallel Converter
Battery Discharger
8 Channel D/O Card for RS232
Infra-Red Light Barrier
2 x Dual = 1x Quad (OZ)
Mains Powered!
Voltage Reference for Battery Powered Circuits
Diode Radio for Low Impedance Headphones
Single-Opamp 10-MHz Bandpass Filter
Analogue Optical Coupler
Single-Chip Switch Debouncer
Switch Ics with Adjustable Current Limiting
Opto-Isolated RS232 Interface (Current Loop)
Universal Symmetric Power Supply
Sensitive Overload Sensor
20th – Order Measurement Filter
E12 Series in Excel
PC Battery Charger
Coaxial S/PDIF Output
Pressure Switch
Light that heats (two centuries of infra-red)
Valve Preamplifier (2) – construction, first part
I/U curve tracer (driven via the PC printer port)
Signal Module for EEDTs Pro (model railways)
Surge Protection (using zener diodes and varistors)
Make Your Own Front Panels (professional design using simple tools)
Corrections and Updates
Curve Plotting with HP-GL/2 (send plotter strings to your printer)
Implementing the IIC bus (new instructions for MCS-51 BASIC)
8-bit I/O port (control via IIC interface)
MCP I 20/I 30 (microcontroller Supervisor)
1
1
2
1
2
2
1
1
3
1
1
2
1
2
1
2
2
1
2
1
2
1
1
2
1
2
1
2
1
1
1
3
1
1
2
2
1
1
2
1
2
1
2
2
2
1
1
1
1
3
6
3
3
1
3
1
2
2
3
2
007t02
007t04
009011
009012
009016
009022
009028
009036
009044
009052
009058
009062
009064
009066
009068
009073
00a014
00a022
00a028
00a032
00a034
00a040
00a046
00a052
00a056
00a060
00a062
00a066
00a068
00a073
00b012
00b016
00b019
00b022
00b028
00b030
00b032
00b036
00b042
00b052
00b059
00b060
00b062
00b068
00b072
00b073
00c012
00c032
00c044
00c049
00c050
00c056
00c062
00c066
00c070
00c072
00c090
00c100
00c102
00c104
Audio Attenuator (reduce signal levels – to spec)
Car Burglar Alarm (employs battery voltage detection)
P.O.Box 190
PC Seriál Peripheral Design (1) – introduction, course HW, first program
RJ45 Network Cable Tester (check out network cables and connectors)
Modern Surround-Sound Systems (Dolby Digital vs DTS)
PIC17C Processor Board (single Board Computer based on the PIC17C756)
‘OSCAR’ MP3 Player (1) – a stand-alone MP3 player
USB Interface (experimenting with the Universal Seriál Bus)
The Universal Seriál Bus USB (develop your own applications)
Marklin Digital Model Train Control (1) – a low-budget approach
GSM Call Indicators (‘Quiet-Calling’ add-ons for mobile phones)
COP8 Design Competition Results (Prize line-up)
Web Connected Organs
Valve Preamplifier (2a) – Construction (continued) and test data
Datasheets (PIC17C75x)
Lego Robotics Invention Systém (4) – chatting robots
The Universal Seriál Bus USB (Transfer and Drivers)
S/PDIF Output (for OSCAR and other digital audio-equipment)
Top of the Range Volume Control (switches instead of Pots)
GBDSO Gameboy Digital Sampling Oscilloscope (1) – convert to osciloscope
‘OSCAR’ MP3 Player (2) – operatin and measurement results
PCI-Hosted Measurement Cards (Towards the computer-driven test lab)
PC Peripheral Design (2) – software
Software Synthesisers (nostalgia with the MIDI Parameter Box)
One-Minute Light (elementary Circuit)
Marklin Digital Model Train Control (2) – SW, construction and operation
Thinkquest (students make Internet projects)
Versatile Centronics/IIC Interface (with logic analyser)
Datasheets (DS1267)
GBDSO (2) – PC link, DSOGrab, construction and testing
An Electronic Bell (a novel decoration not just for Christmas time)
P.O.Box 190
Regenerative SW Receiver (a shortwave receiver with very interesing charact.)
XICOR X9258T, 9250T (Digital Controlled Potentiometers)
Corrections and Updates
Lego Robotics Invention Systém (5) – your own robot
e-Key Secure Access System (Based on iButton Ics)
Camera on Model Train (view the track from the perspective)
PAL TV Pattern Generator (prototype board layout using a PC)
Measuring with an NTC (temperature measurement using a multimeter)
LCD Driver for BASICStamp II (a seriál-in, parallel-out SIPO module)
PC Seriál Peripheral Design (3)
PC Audio Amp (2 x 180 W Mini Amplifier)
Finding components and datasheets
Datasheets (MAX114/118)
CAN Adapter for ISA Bus (a plug-in card for PCs)
Universal Mobile Telephone Service (1) – from Systém I to UMTS
USB Audio – DAC (a mini PC Sound Card)
Linux Advanced Radio Terminal (LART) – build your own mini computer
Sound-to-Light PLUS (mikroprocessor-driven lights effects)
Valved RIAA Preamplifier (using an ECL86)
1,5 V AF Amplifier (an optimised two-stage design)
PC Seriál Peripheral Design (4)
GBDT GameBoy Development Tools
Multi-Purpose IR Receiver (for ‘Running Text Display’)
Garden Lighting (using solar cells)
A CD for Christmas (tasteful lighting effects)
Cumulative Index 2000
Cumulative Index 2000
2
2
1
4
3
5
7
8
6
5
4
2
2
2
5
2
5
5
4
2
6
6
5
4
3
2
4
1
3
2
4
3
1
5
3
1
3
6
8
6
1
2
3
4
1
2
7
5
5
1
6
6
3
3
2
3
2
2
3
3
00c105
00ch01
00ch02
00ch03
00ch04
00ch05
00ch06
00ch07
00ch08
00ch09
00ch10
00ch11
00ch12
00ch13
00ch14
00ch15
00ch16
00ch17
00ch18
00ch19
00ch20
00ch21
00ch22
00ch23
00ch24
00ch25
00ch26
00ch27
00ch28
00ch29
00ch30
00ch31
00ch32
00ch33
00ch34
00ch35
00ch36
00ch37
00ch38
00ch39
00ch40
00ch41
00ch42
00ch43
00ch44
00ch45
00ch46
00ch47
00ch48
00ch49
00ch50
Datasheets (PCM2702)
2532/2732 EPROM Adapter
Electronic Ear for Lego RCX Module
Display Info
ECG Amplifier
High-Voltage Difference Amplifier
Rainwater Storage Gauge
ePanorama.net
DC Adapter with Battery Backup
High Input Voltage Linear Regulator
Relative Fieldstrength Meter for 2-m Band
Scope Triggering Aid for Video Signals
1 kH Synthetic Inductor
Simple Voltmeter
3-Input Video MUX Cable Driver
Analogue Input for Lego RCX Module
Night Sky Model
Universal Rev Counter
Negative Shunt Regulator
PIC 16F84/16C84 Mini Programmer
11 W Stereo or 22 W Mono Power Amp
EEPROM Adapter
Frequency Doubler
Flipflop Timer
The Muller-C Element
Bit Calculator
RGB-to-Colour difference converter
Car Boot Lamp Warning
Single-Supply Measurement Amplifier
Three Switches on One RCX Input
Symmetric Noise Source
555 Signal Generator Kit
Battery Charger Display
Compator-based Crystal Oscillator
MMIC Antenna Amplifier with Bypass Switch
Precision Voltage to Current Converter
Switching Voltage Regulator
0 – 2 uF Variable Capacitor
150 mA LDO Regulator with Power OK O/P
Optimised Semiconductor Noise Source
External RF Power Control for 2m/70cm Handhelds
Furby Revealed
Simple Sump Pump Controller
Instrumentation Amplifier with Improved CMRR
Pushbutton-Controlled Trimpot ICs
Stepper Motor Microstep Driver
IIC Multiplexer
DC/DC Converter from 1,5V to +34V
Hold Adaptor for Voltmeters
CANopener
Rail-toRail and Over-the-Top Opamp
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