Microcontroller

Renesas RA4M1 (Arm Cortex-M4)

Radio Module

ESP32-S3-MINI-1-N8

USB

USB-C Programming Port

Pins

Digital I/O Pins 14

Analog input pins 6

DAC 1

PWM pins 6

External interrupts 2,3

Communication

UART Yes, 1x

I2C Yes, 1x

SPI Yes, 1x

CAN Yes 1 CAN Bus

Power

Circuit operating voltage 5 V (ESP32-S3 is 3.3 V)

Input voltage (VIN) 6-24 V

DC Current per I/O Pin 8 mA

Clock speed

RA4M1 48 MHz

ESP32-S3-MINI-1-N8 up to 240 MHz

Memory

RA4M1 256 kB Flash, 32 kB RAM

ESP32-S3-MINI-1-N8 384 kB ROM, 512 kB SRAM

Dimensions

Width 68.85 mm

Length 53.34 mm