DIY Ultrasonic Ranging Electronic Kit STC with LED Measuring Distance 0-4M Radar Alarm DIY Soldering Project Practice Solder
Kit name: Ultrasonic ranging alarm kit
Power supply: DC power supply 5V or 3 No.5 batteries
Operating voltage: 5V
Working current: greater than 30 mA
Polychlorinated biphenyls length: 72*62 mm pure manual measurement, with 1~2mm error
Measuring range: 0.01~4.00 meters when the distance is less than the alarm distance, the alarm sound is issued
Key setting: Short press the Set key, digital tube display alarm distance. pass
Or press the button to adjust the distance, then press the set to save and exit
Product characteristics
By special circuit board, stc single chip microcomputer, digital tube, ultrasonic ranging module, buzzer
It can be used without programming and plugged in, and the distance is adjustable