815 The Adder
815 : The Adder
- Author: Darius Pirnia
- Description: this adds numbers in the first 4 and second 4 bits of input
- GitHub repository
- Open in 3D viewer
- View in Wokwi
- Clock: 10000 Hz
How it works
It adds 2 4 bit input together
How to test
You can mess arround with the swithces which is kinda fun to see what turns on!
External hardware
I used a bit of components like 1 resistor, 2 buttons, 1 2-input switch, 1 switch array
IO
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | bit 1-1 | out bit 1 | |
| 1 | bit 1-2 | out bit 2 | |
| 2 | bit 1-3 | out bit 3 | |
| 3 | bit 1-4 | out bit 4 | |
| 4 | bit 2-1 | out bit carry | |
| 5 | bit 2-2 | ||
| 6 | bit 2-3 | ||
| 7 | bit 2-4 |