by CaptainException and MeroFuruya
A small school project to create a system that might be able to be used as an building access control system. It is intended to be used with a Raspberry Pi Pico.
- Raspberry Pi Pico
- RFID-RC522
- 16x2 LCD Display (I2C) - we used a 1602A
- buzzer with pwm control
- rgb led
| Signal | GPIO | Pin |
|---|---|---|
| sck | GP18 | 24 |
| mosi | GP19 | 25 |
| miso | GP16 | 21 |
| rst | GP17 | 22 |
| sda/cs | GP20 | 26 |
| Signal | GPIO | Pin |
|---|---|---|
| TTL | GP0 | 1 |
| Signal | GPIO | Pin |
|---|---|---|
| red | GP1 | 2 |
| green | GP2 | 3 |
| blue | GP3 | 5 |
| Signal | GPIO | Pin |
|---|---|---|
| scl | GP5 | 7 |
| sda | GP4 | 6 |
stolen from: https://github.com/danjperron/micropython-mfrc522
stolen from: https://github.com/brainelectronics/micropython-i2c-lcd