XIAO RA4M1
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The board as it appears on the Velxio canvas, with its full pin map
read live from the simulator (regenerated by scripts/gen-boards.mjs,
so it always matches what you can wire).
Family: Pro boards · Languages: Arduino C++
About this board
Section titled “About this board”The Renesas RA4M1 — the same MCU as the Arduino UNO R4 Minima — in the XIAO
footprint, with a 12-bit DAC on A0. The in-browser engine boots the firmware
Seeed’s Renesas core produces; Serial is the USB CDC port and Serial1 sits
on D6/D7.
Start here
Section titled “Start here”- Blink — the shortest check that the board and toolchain work.
- OLED over I2C — an SSD1306 on the header pins.
- Knob and button — analog in, digital in, an LED out.
Pins (25)
Section titled “Pins (25)”- 14
- D0
- 0
- D1
- 1
- D2
- 2
- D3
- 38
- D4
- 16
- D5
- 50
- D6
- 5V
- GND
- 3V3
- 25
- D10
- 26
- D9
- 27
- D8
- 49
- D7
Every pin above is clickable on the canvas — click one to start a wire. Board-level behavior, quirks and example links live on the family page.