for R4 WiFi Features: Equipped with WiFi and Bluetooth functions: for The R4 WiFi has an ESP32-S3-MINI coprocessor that enhances the functionality of the RA4M1 microcontroller. Equipped with WiFi and Bluetooth connectivity capabilities, developers can easily connect to the internet and create IoT projects. Onboard 12x8 LED : for The R4 WiFi board is equipped with a bright 12x8 red LED (a total of 96 points). This feature is very suitable for projects that use animation or draw sensor data, without the need for any additional hardware. QwiicI2C connector: for The R4 WiFi board is equipped with an industry standard Qwiic I2C connector for easy and fast prototyping design. Through I2C connection, various compatible modules can be connected, allowing creators to easily create custom projects and expand the functionality of for R4 WiFi. Runtime error diagnosis: for The R4 WiFi board has a built-in error capture mechanism, which can detect operations that may cause the board to crash, such as Division by zero. When an error is detected, the board will print a detailed error description and reason on the serial monitor. Supports battery powered : for R4 has additional pins that can turn off the main microcontroller while keeping the internal powered by an external battery Features: 1. Brand New, High Quality 2. Made Of High-Quality Materials, And Wear-Resistant 3. Good Replacement For Broken Or Old Ones, Making Your Equipment Work Properly 4. High Quality For Professional Use 5. Compatible for Programming Module R4 Development Board Wifi Version Development Board Motherboard : Type: for R4 Wifi Version for Processor: Arm Working voltage: 5V Input voltage: 6-24V Clock frequency: 48MHz Programming port: USB-C Programming port: USB-C WiFi/Bluetooth: ESP32-S3-MINI LED : 12 X 8 (96 red ) Additional connections: Qwiic connector, OFF pin, VRTC pin Digital l/O interfaces: 14 PWM interfaces: 6 ADC interfaces: 6 DAC interfaces: 1 (12bit) SPI interfaces: 1 I2C interfaces: 1 CAN interfaces: 1 Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Material: PCB colour: As Shown Package Contents: 1 x Wifi Development Board Motherboard Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.