The core board supports interfaces such as UART, GPIO, SPI, l2C, ADC, PWM, etc., which can be selected according to actual needs; ESP32-C3 main control, main frequency 160MHz ESP32 C3 Microcontrollers with Up to 160MHz Clock Speed, 4MB Flash, 384KB ROM, 400KB SRAM ESP32-C3 Core Board Development Board 2.4G WIFI Bluetooth-compatible Module CH343P 32Pin for Verifying ESP32C3 Chip Function Usage: ESP32 compatible board adopts unique stamp hole design enables versatile scenarios, enhancing project flexibility from prototyping to production stages.