Wemos Lolin D32 PCB addon
This is a simple PCB for the Lolin D32, to learn and prototype your projects.
Features
- 4 buttons (input)
- 4 LEDs (output)
- DIP Switch to disconnect onboard buttons and LEDs
- I2C 0.96" OLED
- 2 peripherals ports
- 2 power ports (not really functional in v1.1)
Assigned pins
Digital in and outputs
| description | Pin No. | IO |
|---|---|---|
| Button 1 | 2 | INPUT |
| Button 2 | 4 | INPUT |
| Button 3 | 16 | INPUT |
| Button 4 | 17 | INPUT |
| LED 1 | 13 | Output |
| LED 2 | 12 | Output |
| LED 3 | 14 | Output |
| LED 4 | 27 | Output |
SPI / I2C / Serial
| description | Pin No. |
|---|---|
| SPI_CSO | 5 |
| SPI_CLK | 18 |
| SPI_MISO | 19 |
| SPI_MOSI | 23 |
| I2C_SDA | 21 |
| I2C_SCL | 22 |
| UART_TXD | TX |
| UART_RXD | RX |
How to use
Refer to schematic and example code