874 4bit adder and hex converter
874 : 4bit adder and hex converter
- Author: Daniel Hogg
- Description: This takes 2 4 bit inputs, adds them and converts it to a seven segment display output
- GitHub repository
- Open in 3D viewer
- View in Wokwi
- Clock: 0 Hz
How it works
The input pins are split into two parts, the first 4 are the A side bit inputs and the second 4 are the B side bit inputs.
How to test
test by inputing 2 4bit numbers and seeing if the output is correct.
External hardware
make use of switch banks and a seven segment display.
IO
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | a0 | 7 segment A | |
| 1 | a1 | 7 segment B | |
| 2 | a2 | 7 segment C | |
| 3 | a3 | 7 segment D | |
| 4 | b0 | 7 segment E | |
| 5 | b1 | 7 segment F | |
| 6 | b2 | 7 segment G | |
| 7 | b3 | 7 segment Dp |