4 GND GND AD1 502 AIN0 5 AIN0 6 AIN1 7 8 D3.3V NRF2401 GND DAC1 AIN3 NTC1 GR1 1 2 1 2 1 2 LCD12864 A VCC AIN1 AIN2 R26 R27 10K U15A 1 2 R31 51K P21 R30 330R DAC1 VCC 3 C32 104 100K C4 104 R32 470R R33 4.7K LM358 VCC 502 VCC RJ1 GND GND EEPROM模块 GND VCC GND GND DA1 五线四项步进电机 J3 8*8LED点阵模块 74HC595(串转并)模块 DS1302时钟模块 Led P00 P01 P02 P03 P04 P05 P06 P07 DPe DPf DPg DPh J47 1 2 3 4 E0 VDD E1 WE E2 SCL VSS SDA VCC 8 7 GND 6 P21 5 P20 8 7 6 5 P36 P34 P35 VCC1 VCC2 SCLK X1 I/O X2 CE GND VCC 1 2 3 4 C2 VCC OE GND 20pF Y1 C3 32.768K DS1302 1 2 3 J24 24C02 OE P35 13 12 VCC P36 10 11 P34 14 8 VCC G DP1 LED蓝 GND P24 P25 P26 P27 AMS1117-3.3 2 D3.3V OUT 4 OUT D 1 G IN GND VCC VCC 独立按键模块 G1 G2A G2B 15 14 13 12 11 10 9 7 LED1 LED2 LED3 LED4 LED5 LED6 LED7 LED8 C GND 单片机核心 DIN5V GND D3.3V 1 2 3 VCC RP7 1 2 3 4 5 6 10K 7 8 VCC 5 6 7 8 5 6 7 8 RP11 8 7 6 5 4 3 2 1 P10 P11 P12 P13 P14 P15 P16 P17 J20 10K RP13 10K 4 3 2 1 4 3 2 1 8 7 6 5 4 3 2 1 P32 P33 P35 P36 P37 P10 P11 P12 P13 P14 P15 P16 P17 RST P30 RXD P31 TXD P32 P33 P34 P35 P36 P37 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 GND 20 J29 RP15 10K C12 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 P1.0 VCC P1.1 P0.0 P1.2 P0.1 P1.3 P0.2 P1.4 P0.3 P1.5 P0.4 P1.6 P0.5 P1.7 P0.6 RST/VPD P0.7 P3.0/RxD EA/Vpp P3.1/TxDALE/PROG P3.2/INT0 PSEN P3.3/INT1 P2.7 P3.4/T0 P2.6 P3.5/T1 P2.5 P3.6/WR P2.4 P3.7/RD P2.3 XTAL2 P2.2 XTAL1 P2.1 GND P2.0 C10 104 VCC P00 LCD_D0 P01 LCD_D1 P02 LCD_D2 P03 LCD_D3 P04 LCD_D4 P05 LCD_D5 P06 LCD_D6 P07 LCD_D7 R7 VCC 4.7K VCC J22 1 2 3 4 5 6 7 8 5 6 7 8 5 6 7 8 VCC J25 P27 P26 P25 P24 P23 P22 P21 P20 LCD_EN LCD_RS LCD_WR 1 2 3 4 5 6 7 8 5 6 7 8 5 6 7 8 K3 动态数码管模块 K4 P31 P30 P32 P33 GND CPU1 K2 RP8 10K 4 3 2 1 4 3 2 1 P00 P01 P02 P03 P04 P05 P06 P07 LED8 矩阵按键模块 S1 P20 P21 P22 P23 P24 P25 P26 P27 S2 S3 Y2 12MHz GND GND C13 RSTK1 33P C14 RST VCC R9 10k 10uf f e P17 P16 P15 P14 P13 P12 P11 P10 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 P00 P01 P02 P03 P04 P05 P06 P07 GND VCC 2 3 4 5 6 7 8 9 19 1 3 A0 A1 A2 A3 A4 A5 A6 A7 B0 B1 B2 B3 B4 B5 B6 B7 OE VCC DIR GND 18 17 16 15 14 13 12 11 4 3 2 1 4 3 2 1 RP3 100R 5 6 7 8 5 6 7 8 e LED5 LED4 SMG2 COM a COM a g d b f c dp e g d b f c e LED3 g d dp COM a b f c e dp g d b f c e dp LED2 LED1 COM a COM a g d b f c dp e g d COM a b f c dp Title Size Number Revision A2 5 e g d b c dp D GND Date: File: 4 c LED6 COM a RP4 100R VCC 20 10 74HC245 GND 2 d dp U4 S5 b f g S4 RP16 10K 紧锁座 COM a RP12 10K RP14 10K 4 3 2 1 4 3 2 1 LED7 SMG1 6 RXD TXD K1 33P 1 6 4 5 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 8 2 4 P3 C15 104 A B C 9 1 3 DC5V-->3.3V电源模块 U9 P22 1 P23 2 P24 3 8 P5 GND DIN5V 3 P32 GND RXD-U TXD-U +CP1 CC1 22uf 104 U5 BEEP Q5 b 2TY B 470R USB1 D5V R18 27RDD+ R19 27R 3 2 1 74HC138 CH340G 1 2 3 4 5 74HC138译码器 VCC GND IR1 Vdd Vss OUT HS0038 VCC R1 100R BZ1 B c 16 15 14 13 12 11 10 9 8 7 6 5 DPd DPc DPb DPa 16 15 14 13 12 D+ D- VCC R232 RTS# DTR# DCD# RI# DSR# CTS# 471 P20 P21 P22 P23 18 17 LED点阵 12 CV1 103 GND TXD RXD V3 UD+ UDXI XO D8 D6 R20 CC2 104 D5V RQ1 D7 RP10 1 471 2 3 4 D5 8 7 6 5 ec 1 2 3 4 5 6 7 8 D4 RP9 e U11 D3 VCC 473 R23 GND 330R GND 1 2 3 4 D2 DPa DPb DPc DPd DPe DPf DPg DPh 12 11 10 9 8 7 6 5 4 3 2 1 VCC J12 D1 R17 102 Q3 红外接收模块 GND I/O VCC D DS18B20 GND 15 1 2 3 4 5 6 7 9 VCC 1 2 3 DIN5VS 蜂鸣器 P37 POWER1 LED模块 D5V GND SER 16 16 USB转TTL下载模块 DV1 QA QB QC QD QE QF QG QH QH' SRCLR SRCLK GND ULN2003D RXD-U TXD-U VCC 20pF VCC GND C OE RCLK a b c d e f g dp 9 U1 U3 6 COM OUT1 OUT2 OUT3 OUT4 BEEP 8 GND 16 15 14 13 12 11 10 9 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 a b c d e f g dp 8 IN1 IN2 IN3 IN4 IN5 IN6 IN7 U6 11 7 4 2 1 10 5 3 B 1 2 3 4 5 6 7 1 2 3 4 5 VCC P10 P11 P12 P13 P15 VCC OUT1 OUT2 OUT3 OUT4 GND U14 VCC GND 470R P17 470R P12 VCC J52 11 7 4 2 1 10 5 3 470R R14 R16 AUX VBAT GND Y- LCD 1602 104 R29 470R LCD_RS LCD_WR LCD_EN P00 P01 P02 P03 P04 P05 P06 P07 P32 P33 VCC IRQ MISO MOSI SCK CSN CE VCC GND BUSY DIN CS DCLK C29 LCD9648/LCD12864 LCD1602 GND VCC P2 J2 VO LCD_RS LCD_WR LCD_EN LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7 8 7 6 5 LCD1602接口 8 RP25 DOUT PENIRQ IOVDD VREF 1 2 3 4 R28 470R AIN3 AIN2 6 GND VCC VO RS RW E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 BG VCC BG GND 16 15 14 13 DAC(PWM)模块 U8 ET2046 12 11 10 9 VCC X+ Y+ X- A P16 P14 P11 P13 1 P34 2 P35 3 P36 4 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ADC模块 VCC P37 NRF24L01接口 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2 4 1 2019/4/15 C:\Users\..\Sheet1.SchDoc Sheet of Drawn By: 6