648 Piggybag
648 : Piggybag
- Author: Phuritat Suntiphap
- Description: Count the amount of coin
- GitHub repository
- Open in 3D viewer
- Clock: 50000000 Hz
How it works
description: "A piggy bank coin counter that detects and counts four types of coins: 10, 5, 2, and 1 baht.then show the amount of each type of coin via uart tx"
How to test
let input high and read the value from uart tx.if the value from uart tx match the amount of input high pulse then the circuit is valid.
External hardware
brightness sensor button and switch
IO
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | clk | o_Tx_Active | |
| 1 | reset_n | o_Tx_Done | |
| 2 | sensor0 | o_Tx_Serial | |
| 3 | sensor1 | ||
| 4 | sensor2 | ||
| 5 | sensor3 | ||
| 6 | sw0 | ||
| 7 |