ESP32 C3 with 0.42 inch screen

A compact ESP32-C3 development board with a built-in 0.42" display for real-time data output — all in a 23.5×18mm footprint. RISC-V single-core processor, integrated WiFi and Bluetooth 5 LE, and USB-C for programming. Works with Arduino, MicroPython, and ESP-IDF.

Key Features

• SoC: ESP32-C3FH4, RISC-V single-core
• Memory: 4MB Flash, 400KB SRAM
• Wireless: 2.4GHz WiFi + Bluetooth 5 LE
• Display: Integrated 0.42" screen
• GPIO: 11 pins — I2C, I2S, UART, SPI, PWM, ADC
• 1 × RGB LED, 1 × Reset button
• USB-C (USB-to-Serial interface, no native USB)
• Ceramic antenna
• Dimensions: 23.5 × 18mm | Weight: ~2.6g

Related products

• Want a 5×5 RGB LED matrix instead of a screen? Try the ESP32-C3 Board with 25×WS2812B Matrix.
• Need a compact ESP32-C3 without extras? See the Beetle ESP32-C3.
• Want a standard 30-pin ESP32? See the ESP32 Development Board 30-pin.