Features: The dual-MCU board integrates RP2040 and ESP32C3, offering powerful functionality and flexibility. RP2040 features dual-core ARM Cortex-M0+ processors and can run independently. ESP32C3 supports WiFi802.11 and wirelessV4.2+BLE and can be used as a standalone MCU. ESP32C3 and RP2040 on this board can communicate and exchange data through UART serial communication. This means you can enable WiFi functionality on RP2040 by using ESP32C3 WiFi and wireless functions. Specifications: Material: PCB Dual MCU: RP2040: Dual-core ARM Cortex-M0+ FLASH: 4MB ESP32C3: Support for WiFi802.11, WirelessV4.2+BLE + FLASH: 4MB Onboard Features: 2 buttons for RP2040 2 buttons for ESP32C3 1 user LED for RP2040 1 user LED for ESP32C3 onboard jumper is used to switch the USB connection to either RP2040 or ESP32 Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Development Board