ESP32-C3-1.28

ESP32-C3-1.28 is a compact ESP32-C3 development board with a 1.28 inch round LCD display, USB Type-C power/data connection, battery power management, and expansion pins for quick prototyping.

• MCU: ESP32-C3 series, single-core 32-bit RISC-V processor
• Wireless: 2.4 GHz Wi-Fi and Bluetooth LE
• Display: 1.28 inch round LCD, GC9A01 driver
• Touch: CST816 touch interface signals are provided in the schematic
• USB: USB Type-C connector for power and USB data
• Power: Battery charging and boost/power-management circuit
• Expansion: I2C, UART, BOOT, IO8, and 3.3V pins on the board connector

Structure Diagram

Schematic

SCH_Schematic1_V2.2_EN.pdf

The resource package below excludes 1.QS_Demo as requested. It includes the driver IC datasheets, original schematic, English schematic, and structure diagram.

esp32-c3-1.28_resources.zip

• 2.QS_Driver_IC_Data_Sheet/ - driver IC and ESP32-C3 datasheets
• 3.QS_Schematic/SCH_Schematic1_V2.2.pdf - original schematic
• 3.QS_Schematic/SCH_Schematic1_V2.2_EN.pdf - English schematic
• 4.QS_Structure_Diagram/ESP32-C3-1.28.png - structure diagram

The English schematic translates the Chinese annotations in the original PDF while preserving the circuit layout.