The ESP32 C3 development board has a built-in 0.42 inch OLED display and a ceramic antenna, a Type-C USB interface, a reset button and a start button, making it easy and quick to use. Low-power dual-mode Wi-Fi and Bluetooth chip, equipped with RISC-V 32-bit single-core processor, up to 160MHz main frequency. Low power consumption saves energy. for ESP32-C3 can be developed with the ESP development framework, including common development environments such as MicroPython and for . The product is suitable for the Internet of Things, smart homes, sensor networks and other areas, with good scalability and extensive software support. For ESP32-C3 supports 2.4GHz Wi-Fi (802.11 b/g) and BT 5 (LE), has 4MB onboard flash memory. Integrated with USB serial port full-speed controller, 15 x GPIO pins allow flexible configuration of pin functions. Color: As Shown Material: PCB Package Contents: 2 x ESP32 C3 development board 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.