Description
Features:
Processing and Memory
- Main Microcontroller: Renesas RA4M1 ARM Cortex-M4 at 48 MHz
- Secondary Microcontroller: ESP32-S3 up to 240 MHz
- Flash Memory: 256 kB (RA4M1) + 384 kB ROM (ESP32-S3)
- RAM: 32 kB (RA4M1) + 512 kB SRAM (ESP32-S3)
- Clock speed: 3 times faster than previous models
Connectivity and Communication
- WiFi: Integrated via ESP32-S3 module
- Bluetooth: Integrated Bluetooth Low Energy (BLE)
- USB: USB Type-C connector for programming and communication
- Protocols: UART (4x), I2C (1x), SPI (1x), CAN Bus (1x)
- Qwiic connector: For quick connection of I2C modules
- HID Compatibility: Can simulate a mouse or keyboard via USB
Entrances and Exits
- Digital I/O pins: 14 pins
- PWM pins: 6 pins
- Analog inputs: 6 pins
- DAC: 1 x 12-bit digital-to-analog converter
- Maximum current per pin: 8 mA
Feeding
- Operating voltage: 5V (3.3V for ESP32-S3)
- Input voltage (VIN): 6-24V DC
- Extended range: Compatible with motors, LED strips, and other actuators
- Pin OFF: To completely turn off the board
- VRTC Pin: To keep the real-time clock powered
Innovative Features
- LED Matrix: Integrated 12×8 Bright Red LED Display
- Battery-powered RTC: Standalone real-time clock
- Error diagnosis: Detection and explanation of runtime errors
- Full compatibility: With existing Arduino UNO shields and projects
Specifications:
| Microcontroller | Renesas RA4M1 (ARM Cortex-M4) |
| WiFi Microcontroller | ESP32-S3-MINI-1-N8 |
| Clock speed | 48 MHz (main) / up to 240 MHz (ESP32-S3) |
| Flash Memory | 256 kB |
| RAM | 32 kB |
| Digital I/O Pins | 14 |
| PWM Pins | 6 |
| Analog inputs | 6 |
| DAC | 1 (12 bits) |
| Operating voltage | 5V |
| Input voltage | 6-24V DC |
| Current per I/O pin | 8 mA |
| Communication | UART, I2C, SPI, CAN Bus |
| WiFi | Yeah |
| Bluetooth | Yes (BLE) |
| USB | USB Type-C |
| Ethernet | No |
| Dimensions | 68.85 x 53.34 mm |
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