The RP2040 Smartwatch is a customizable wearable device powered by the Raspberry Pi RP2040 microcontroller. This README provides information on how to flash the firmware and wire the required components.
To flash the firmware onto the RP2040 Smartwatch, follow these steps:
- Hold down the Reset button.
- While holding down Reset, also hold down the Boot button.
- Release the Reset button.
This will put the device into firmware flash mode, allowing you to upload the desired firmware.
- UF2 File (RP2040): UF2 file for the RP2040 microcontroller can be found in the Releases section. This file is used for flashing the RP2040.
- Seeed.ino File (Seeed Xiao): This file is used for flashing the Seeed Xiao and can be found in the repository.
The RP2040 Smartwatch utilizes the Waveshare RP2040 Touch LCD 1.28" round display. You can find more information and purchase the display from Waveshare.
The Seeed Xiao BLE nRF52840 is used for its Bluetooth capabilities. You can find more information and purchase the Seeed Xiao BLE from Seeed Studio.
| RP2040 Pin | Seeed Pin / Other |
|---|---|
| GND | GND |
| VSYS | 3V3 |
| Run | D1 |
| Boot | D0 |
| GND2 | Connect to GPIO 26 on RP2040 via a 100k resistor and button |
| ADC_AVDD | Other end of button |
| GPIO 16 | D5 |
| GPIO 17 | D4 |
| GPIO 18 | D3 |
| GPIO 26 | Connect to 100k resistor that is on GND2 |
| GPIO 27 | Unused |
| GPIO 28 | Haptic Motor + |
Note: On the button put a capacitor on both ends, Negative on GND2
Please refer to the Seeed Studio Wiki for instructions on flashing the Seeed Xiao.
If you wish to modify the firmware to suit your needs, follow these steps:
- Install firmware for flashing from the Arduino IDE (not needed if flashing UF2).
- For RP2040 flashing, refer to the Waveshare Wiki for detailed instructions.
Feel free to customize and experiment with the firmware to create your own unique smartwatch experience!