my dev.board - Seeed Studio XIAO nRF52840 Sense and XIAO Expansion board






Pinout of XIAO nRF52840 Sense:


Pinout of XIAO Expansion board:

Getting Started Guide:
- XIAO BLE Sense (XIAO nRF52840 Sense)
- XIAO Expansion board

More:
~ Install CircuitPython Firmware on Seeed Studio XIAO nRF52840 Sense (and more exercise using CircuitPython).
~ Install Seeed nRF52 Boards on Arduino IDE 1.8.19 to program XIAO nRF52840 Sense in Arduino Framework (on Raspberry Pi OS)

Exercises of XIAO nRF52840 Sense:
~ Test 1.44" 128x128 ST7735 SPI TFTs, on XIAO nRF52840 Sense/CicuitPython
~ XIAO nRF52840/CircuitPython implement BLE UART Service, linked with XIAO ESP32C3/Arduino BLE UART Client.

Exercises with XIAO Expansion board:
~ XIAO nRF52840 Sense/CircuitPython examples for SSD1306 I2C OLED
~ Xiao ESP32C3 display on SSD1306 128x64 OLED (I2C & SPI) using U8g2 Library (arduino-esp32)
~ XIAO nRF52840 Sense/XIAO Expansion board display on OLED in Arduino framework, using U8g2 Library.
~ BLE UART Peripheral run on XIAO nRF52840 Sense (in Arduino Framework)
~ CircuitPython BLU UART on Seeed Studio XIAO nRF52840/ESP32S3 Sense, connect to Raspberry Pi as Serial Console.

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