Ultrasonic ranging module HC - SR04 provides 2cm - 400cm non-contact measurement function, the ranging accuracy can reach to 3mm. The modules includes ultrasonic transmitters, receiver and control circuit. 

  • Working Voltage : 5V(DC);
  • Static current: Less than 2mA;
  • Output signal: Electric frequency signal, high level 5V, low level 0V;
  • Sensor angle: Not more than 15 degrees;
  • Detection distance: 2cm-450cm;
  • High precision: Up to 0.3cm;
  • Input trigger signal: 10us TTL impulse;
  • Echo signal : output TTL PWL signal;
  • Mode of connection: 1.VCC 2.trig(T) 3.echo(R) 4.GND;
  • Use method: Supply module with 5V, the output will be 5V while obstacle in range, or 0V if not.The out pin of this module is used as a switching output when anti-theft module, and without the feet when ranging modules.


HC-SR04 Ultrasonic sensor

  • Код на продукта: 1009
  • Наличност: 5
  • 5.50 лв.


  • 4 или повече 5.00 лв.

Tags: ARDUINO, ESP32, ESP8266, SENSOR, ULTRASONIC, ROBOT