Quantity   Component name
1 × STM8S003F3P6 IC Microcontroller IC
1 × CH340G USB to UART converter IC
18 × Capacitor
10 × Resistor
31 × Pin header GPIO pins, SWIM port and Power select
1 × LM1117 Power Management ICs / Linear Voltage Regulators and LDOs
1 × BC 847 Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs
2 × Crystal oscillators 16Mhz for the microcontroller and 12Mhz for CH340G
2 × Switch Development Kits, Boards and Systems / Development Kits and Board
2 × Led Fiber Optics / EmittersPower
1 × Buzzer
1 × Potentiometer 10K ohm
1 × Type B mini port Connectors and Accessories / Circular Connectors