Full Parts List.
Quality Breadboards (32 Breadboards Used)
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2N2222 Transistors (962 Transistors)
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Breadboard 22 Gauge Wire (Around 3 packs)
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LEDs (1 Set)
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Resistors 2K 1/4 Watt Metal Film Type (Around 800)
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Resistors 100K 1/4 Watt Metal Film Type (Around 200)
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Other Resistors (1-Pack)
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Ceramic Capacitors (1 Set)
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Electrolytic Capacitors(1 set)
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Electrical Tape
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10000mAh Rechargeable Battery Pack
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Recommended Tools
Wire Stripper
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Side Cutter
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Scissors (To mark wire cuts and cut resistors to length)
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Automatic Wire Stripper (I did not use this but it could be nice)
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Good Reference Book on Building a Computer from Transistors.
Computer Time Travel Book
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Video Description:
How to build a 4-bit computer using individual transistors will be demonstrated and discussed in detail. Parts of the computer include the clock, memory, accumulator register, register B, ALU, and output register.
An example program will be run where load A, add, subtract, output and halt are executed. The computer will be put in a loop where it will continuously add by two and then subtract by two.
Understanding how to build a computer at the transistor level is important information that everyone should understand. Please share this video!
0:00 Intro.
1:29 Computer Layout.
2:59 How the computer is built.
11:21 Example program.
17:59 Loop by two and negative two.
20:09 Computer power and current.
21:09 Configuration of the complete Computer.
References:
Walker, J. S. Computer Time Travel: Building a Computer Processor from Discrete Transistors: A Look Back over 50 Years to the Beginning of Modern Computer Technology. Oldfangled Publishing, 2017.
Malvino, Albert P. Digital Computer Electronics. 1993.
Global Science Network
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