Name: ESP32-C3-Zero mini development board Main control: ESP32-C3FN4 Interface: Type C USB (Due to different batches, the printed words on the product will be different, which does not affect use) Specification :B row pin version Material: PCB colour: blue Package Contents: 1 x 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. Low-power SoC with RISC-V 32-bit single-core processor, main frequency up to 160MHz Adopts stamp hole design, onboard ceramic antenna, easy to integrate into the user's self-designed baseboard, supports flexible clock, module power separate setting and other controls, and realizes multi-scenario low-power mode Integrated USB serial port full-speed controller, leading to 15 GPIOs, flexible configuration of peripheral functions, with 3 x SPI, 1 x I2C, 2 x UART, 1 x I2S, 2 x ADC and other peripherals Supports 2.4GHz Wi-Fi (802.11 b/g) and Bluetooth® 5 (LE) Built-in 400KB and 384KB ROM, stacked 4MB Flash