Features :
- Onboard STM8S103 high-performance microprocessor.
- With digital tube display.
- Serial port data output.
- Valid Measurement Distance: 3-400cm.
- Display Unit: cm.
- Max Error: 5V.
- Board Size: 36 x 25 x 12 mm.
- VCC, GND: 5V power interface.
- 2.54mm White Socket: 5V power interface.
- TX: module serial port transmits pin.
- RX: module serial port receive pin.
- NRST, SWIN: preset STM8 program download port.