WalnutPi PicoW
WalnutPi PicoW
The WalnutPi PicoW is designed, developed, and manufactured in China. It is an MCU-level product within the WalnutPi ecosystem, based on the high-performance Espressif ESP32-S3 processor (with built-in WiFi and Bluetooth functionality). It features excellent RF performance, a compact and elegant appearance, and dimensions compatible with the Raspberry Pi PicoW. It is suitable for all kinds of electronic product DIY, commercial project development, and usage.

Hardware Resources

| Product Specifications | |
|---|---|
| MCU | ESP32-S3R2 32-bit dual cores @ up to 240MHz |
| RAM | 2M Bytes PSRAM |
| FLASH | 8M Bytes |
| WiFi | 2.4GHz WiFi 802.11 b/g/n |
| Bluetooth | Bluetooth 5, BLE + Mesh |
| Antenna | High-gain ceramic antenna (external ipex4 optional) |
| LED | ● Programmable LED (blue) ● Power LED (red) |
| Buttons | ● Function button (BOOT) ● Reset button |
| GPIO | 25 x GPIO (including ADC/PWM/UART/I2C/SPI functions) |
| USB | Type-C, USB2.0, all-in-one for firmware download/programming/debugging/power |
| Others | ● Reserved UART debug (UART0) 3-pin header ● Back pads TP1:GND, TP2:USB-, TP3:USB+, TP4:GPIO3, TP5:GPIO46, TP6:GPIO0 |
| Programming Language | MicroPython |
| Physical Specifications | |
|---|---|
| Dimensions | 51 x 21mm (PCB dimensions) |
| Weight | 3.6g (bare board) |
Pinout Diagram

Dimension Diagram
