The Seeed Studio XIAO RA4M1 is an ultra-compact development board featuring the powerful 32-bit Renesas RA4M1 microcontroller with ARM Cortex-M4 core, Arduino IDE compatibility, and rich peripherals including 19 GPIOs, RGB LED, CAN bus, and USB 2.0.

Microcontroller: Renesas RA4M1 (R7FA4M1AB3CFM) Core: ARM Cortex-M4 @ 48MHz Memory: 256KB Flash, 32KB SRAM, 8KB EEPROM GPIO: 19 pins ADC: 14-bit USB: USB 2.0 Special Features: RGB LED, CAN Bus, Capacitive Touch Sensing Clock Sources: Main clock oscillator (1-20MHz at 2.4-5.5V, 1-8MHz at 1.8-2.4V) Buttons: Reset and Boot buttons LEDs: 3 status LEDs Programming: Arduino IDE compatible Dimensions: Ultra-compact (XIAO form factor) Operating Voltage: 1.8V - 5.5V

