STM8S103F3P6 development board

On-board STM8S103F3P6 chip
On-board SWIM connector for programming
On-board reset switch
Reserved external crystal oscillator soldering place
AMS1117-3.3 voltage regulator for converting 5 V power supply to 3.3 V
Mini USB connector for powering the board
Board Size: 36.5 x 21.6 mm