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ESP32 C3 0.42 inch LCD Development Board RISC-V WiFi Bluetooth Micropython

Sale price
$14.24
List price
$20.34
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$6.10 (30%)

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ESP32-C3 0.42-Inch LCD Development Board

This compact ESP32-C3 development board combines a 0.42-inch built-in display with Wi-Fi and Bluetooth LE connectivity for small connected-device, status-display and sensor-interface projects. It is suitable for Arduino, MicroPython and ESP-IDF development workflows.

ESP32-C3 0.42-inch LCD development board

Core Hardware

  • ESP32-C3FH4 single-core RISC-V microcontroller with 2.4 GHz Wi-Fi and Bluetooth LE.
  • 4 MB flash memory and 400 KB SRAM, as listed for the fitted ESP32-C3 platform.
  • USB Type-C connection with on-board USB-to-serial capability.
  • Ceramic antenna, Reset button and Boot button for programming and recovery.

ESP32-C3 LCD board interface layout

Display and I/O

  • Built-in 0.42-inch display for compact status and menu interfaces.
  • 11 accessible I/O pins, as listed by the board source.
  • 4-pin expansion connector: GND, 3V3, SDA on GPIO5 and SCL on GPIO6.
  • On-board RGB LED on GPIO2 and 3.3 V power LED.
  • ESP32-C3 peripherals include UART, I2C, I2S, SPI, PWM, ADC, TWAI and USB Serial/JTAG. This board does not provide a DAC or native capacitive-touch function.

ESP32-C3 LCD board pin and display information

Development Notes

  • Compatible with Arduino, MicroPython and ESP-IDF.
  • The listed 3.3 V regulator has 500 mA peak output. Confirm the power budget before connecting external displays, radios, motors or other high-current loads.
  • Use the Boot button to enter the ROM bootloader when required by the upload workflow.
  • Board size: 23.5 x 18 mm. Listed weight: 2.6 g.

ESP32-C3 0.42-inch LCD development board dimensions

In the Box

1 x ESP32-C3 0.42-inch LCD development board.

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