ESP32-C3-LCD kit Development Board with 1.28inch Display and Rotary Button
RBD-3990
ESP32-C3-LCDkit is an evaluation development board based on ESP32-C3-Mini-1 chip and SPI interface display. The development board is equipped with a rotary encoder switch, which can realize screen interaction, with Bluetooth and WiFi functions, and supports audio playback and infrared wireless control. With its low cost, low power consumption, and powerful performance, ESP32-C3-Mini-1 meets the basic GUI interaction needs of users and supports LVGL graphics programming. It is widely used in smart homes, industrial automation, healthcare, and consumer electronics, especially for small-screen application scenarios.
ESP32-C3-LCDkit is an evaluation development board based on ESP32-C3-Mini-1 chip and SPI interface display. The development board is equipped with a rotary encoder switch, which can realize screen interaction, with Bluetooth and WiFi functions, and supports audio playback and infrared wireless control. With its low cost, low power consumption, and powerful performance, ESP32-C3-Mini-1 meets the basic GUI interaction needs of users and supports LVGL graphics programming. It is widely used in smart homes, industrial automation, healthcare, and consumer electronics, especially for small-screen application scenarios.
ESP32-C3-LCDkit mainboard is the core of the whole kit. It integrates ESP32-C3-MINI-1 module, built-in 4 MB Flash and 400 KB SRAM, provides powerful processing power, and provides ports for connecting to LCD daughter board. ESP32-C3-LCDkit daughter board is equipped with a 1.28-inch LCD screen with SPI interface and resolution of 240x240, and the driver chip model is GC9A01. It is compatible with I2C and SPI interface screens, and can flexibly cope with various display requirements. The included rotary encoder switch supports key switches and 360° rotation for controlling the screen GUI. At the same time, the board also integrates an infrared module and speaker to support infrared wireless control and high-quality audio playback. The USB-C interface supports downloading and debugging operations, which is convenient for development and testing.
1.28-inch screen: SPI interface, resolution of 240*240, driver chip is GC9A01, can be used with different screen daughter boards, support I2C and SPI interface screens
Rotary encoder switch: supports key switch and 360°rotation, used to realize the control operation of screen GUI
Infrared module: supports infrared transmitter and infrared receiver, used to realize infrared wireless control
Audio: Onboard audio amplifier and speaker, support audio playback
USB: Support USB Type-C interface download and debugging, convenient for development and testing.
Graphics programming: Support LVGL graphics library, DIY graphical interface.
Key Component
Description
ESP32-C3-MINI-1 Module
ESP32-C3-MINI-1 is a generic Wi-Fi + Bluetooth LE MCU module that is built around the ESP32-C3 series of SoCs. It is integrated with 4 MB flash and 400 KB SRAM.
UART & RGB Expander I/O
Connects the system power supply pins and UART and RGB data pins via a 2.54 mm pitch pin header.
RGB LED
Supports configuring the RGB LED display to indicate status or behavior.
Speaker
Supports speaker playback through an audio power amplifier.
LCD Display Connector
Connects the 1.28” LCD subboard via a 2.54 mm pitch female header.
USB Power Port
Provides power to the entire system. It is recommended to use at least a 5V/2A power adapter to ensure a stable power supply. Used for USB communication between the PC side and the ESP32-C3-MINI-1 module.
Reset Button
Press this button to reset the system.
5V-to-3.3V LDO
Low Dropout Regulator (LDO).
3.3 V Power On LED
Indicates the status of the system power supply.
EC11 Rotary Encoder Switch
Features both a 360° rotary encoder and a key switch to enable control of the on-screen GUI.
Speaker PA Chip
Supports speaker playback.
Infrared RX
Receives external infrared signals.
Infrared TX/RX I/O Select
Select the infrared RX/TX function via a 2.54 mm pitch pin header and jumper caps.
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ESP32-C3-LCDkit is an evaluation development board based on ESP32-C3-Mini-1 chip and SPI interface display. The development board is equipped with a rotary encoder switch, which can realize screen interaction, with Bluetooth and WiFi functions, and supports audio playback and infrared wireless control. With its low cost, low power consumption, and powerful performance, ESP32-C3-Mini-1 meets the basic GUI interaction needs of users and supports LVGL graphics programming. It is widely used in smart homes, industrial automation, healthcare, and consumer electronics, especially for small-screen application scenarios.
