Glyph C3

RISC-V microcontroller development board based on the ESP32-C3 SoC with a 160 MHz single-core processor, 400 KB SRAM, and 4 MB SPI flash. Provides 15 GPIOs with 12-bit ADC, I2C, SPI, UART, and USB serial, plus a USB-C port for power and programming. Includes a 3.3V regulator with 600 mA peak output, LiPo/Li-ion battery charger with auto-switching between battery and USB power, battery voltage measurement, and a Glink connector compatible with Qwiic/STEMMA QT. Features onboard LED on GPIO1, reset and boot buttons, and Wi-Fi/Bluetooth LE connectivity.

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Specifications

Dimensions: 50.836 × 22.86 mm
Pin count: 28

Assets

3D model (.glb)Schematic symbol Component footprint

Pin configuration

RESET+3.3V+3.3VGNDBATT_MSRGPIO_1GPIO_2GPIO_3USB_D-USB_D+SCKMOSIMISOuRxuTxGND+BATTRESETVBUSBATT_MSRGPIO_1GPIO_2GPIO_3unconnected-(J2-Pin_8-Pad8)GPIO_9GPIO_8SDASCL