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The DFRduino Nano USB Microcontroller V3
I2C/SPI outputs integrate seamlessly with ESP32
User manual
GC9A01A Datasheet
Say goodbye to messy cables and clueless pluging/unpluging
STM32F103ZET6 elite development board Fingerprint Sensor The DFRduino Nano USB MicrocontrollerDescription Hardware Design Features of Elite V2 STM32F103 Development Board 1. Abundant Interface Support The board offers over ten types of standard interfaces, enabling convenient experimentation and development with various peripherals. 2. Flexible Design Architecture Most onboard resources are configurable to adapt to different application requirements. All I O pins (except those used by crystal oscillators) are accessible, significantly