Digital Doorbell
Team 2
Tyler Blaker, Mike Woessner,
Jose Pina, Bill Kessler, Jesse
Yanik, Justin Bayham, Brandon
Roberts, Mike Goggins, Ralph
Voltz
Project Goals

Doorbell Prototype
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Two moving parts
Multiple processes
Multiple materials
Under 25 dollars apiece
Mass produce 10 products
Learn and apply technologists’
management Skills
 Meet consumer demands

Kit and Prototype

We used an
Electronics
Learning Lab to
design the circuit
 We transferred the
circuit to our PC
Board to make our
prototype
Final Product


From our prototype
and improvements,
we made our final
product
This product has a
speaker to omit
sound, LED to omit
light, and
potentiometer to alter
pitch
How It Works
The current travels through the
resistors to the speaker and the LED
 The frequency can be adjusted by
turning the potentiometer
 The potentiometer alters the amount
of current that runs through the
circuit

Problems and Improvements

Problems
• The kit had 5 holes and the prototype had 3 holes
• We used jumps that made things confusing
• We shorted some components by soldering them
together

Improvements
• We had to use extra wires to “create” more holes
• Used long jumps to show where things were going
• We spread out the entire circuit to eliminate
unwanted solder connections
Cases
Cases
Cases
Tool #1

Dealt with basic teamwork
fundamentals
– Communication skills, emphasis on
quality, preparations as a team.

Allowed first opportunity for our
team’s proposal idea in actual
writing.
Tool 2

Materials
– The toolkit explains the refinement and
classification of materials, their structures
and characteristics for each of the
materials talked about in the presentation.

Processes
– Some of the processes talked about where
Forming, Cutting, Fastening, and
Conditioning.
Tool #3


“Process Engineering, Design And
Innovation”
Has to do with Product Development, the
Design Process, Research, and Improving
the overall product.
 The SDA’s completed in Tool #3 were the
MMA, CA (Cost Analysis), DSD, and BSOP.
“Process Engineering, Design And
Innovation”

Process Engineering
– Identify, analyze, and solve any problems
which would improve quality and productivity.

The Design Process
– The entire process from basic ideas to
production.

Innovation
– Changing an existing design or product to
make it better and more competitive.
MMA and CA (Cost Analysis)

Man Machine Analysis
– Looked at issues and problems that
occurred using the machines like
cutting the acrylic or soldering the
circuit.

Cost Analysis
– Concentrates on Direct Costs with a
breakdown of all individual part costs
and Labor.
DSD and BSOP

Documentation System Design
– The Discussion board on Blackboard is very
organized and can be easily accessed by any
group member on the computer.

Basic SOP
– Helped with writing SOP’s for all tools used in
production.
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•
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Soldering Iron
Band Saw
Hand Drill
Drill Press
Tool 4 - Cost analysis and
Productivity

The forms in Tool 4, Break Even, Cost
Analysis, Standard Operation General
Analysis and the Time and Method
Analysis all deal with cost analysis and
productivity
 Manufacturing Industries constantly deal
with costs and productivity of their
workers
Cost Analysis

The BEA and the CA both have to
deal with calculating costs and
determining what can be improved.

With our product we calculated our
CA with the materials we purchased,
and calculated our own analysis
Productivity

SOGA and TAMA are both
productivity forms for calculating the
number of parts produced

In our case we used our lab time to
calculate how our time was spent
and we kept track of what process
we used to log on the SOGA
Productivity


Companies should
take into
consideration man
labor vs. machines.
After so long a service
a machine should be
replaced with a new
machine that could
increase productivity
Tool 5 “Quality Systems”
Designed to introduce technologists
to quality improvement systems and
to help them better understand how
to put these tools in motion
 Quality is taking systems which help
conformance and taking them to
meet the market demands

Quality

Quality has the perspectives of total
quality movement, quality functions
deployment, quality costs, quality
value analysis and global quality
issues.
ISO 9000

World wide effort to improve quality

Used in all technical and business
fields

Purpose is to keep the technical
standards around the world
consistent so all parties can do
business with each other
Assembly line idea

We split apart the team into two
groups.
– One group did the circuits
• Place components on to board
– Checked by quality technician
• Passes or fails
• Soldered components on to board
– Checked by quality technician
• Passes or fails
Assembly line idea cont’

Continued:
– The other group did the casing
• Cut pieces out of the acrylic
– Checked by quality technician
• Passes or fails
• Glued the pieces together
– Checked by quality technician
• Passes or fails
Tool 6

Automation
– Devices to accomplish specific tasks in
a technological work place.

Computer Integration
– Computers have paved the way for
many new opportunities in the
manufacturing world.
Automation

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
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Less manual labor
Repeatability and precision production methods
Usually skill levels are required
Increases in energy and non-human resources
Increase in productivity
Reduced cost in price
Computer Integration


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Always plan ahead for growth within the company
This is a very serious thing, always plan for hidden factors
Always set realistic goals that can be obtainable
Always being thinking of new ways to improve, but start off
realistically
Never go through the middle man
Computer Integration

There has been a lot of computer integration over the years,
we even used it in our doorbell.
- The PC board is an easier way to solder components.
- Another useful product of computer integration is our 555
IC Timer chip.
- Computer Integration gave us a lot of our components for
doorbell.
Conclusion

We have achieved our goals of:
– Building a working prototype.
– Replicating mass production on a smaller
scale.
– Working together as a team to obtain a
common goal.
– Become more educated in the processes and
fundamentals that will allow us to become
more successful in a technologist’s world.