MODULO40

Modulo per Arduino Ultrasonic sensor HC-SR04 Working Voltage: 5V(DC) Static current: Less than 2mA. Sensor angle: Not more than 15 degrees. Output signal: Electric frequency Echo signal: output TTL PWL signal Sensor angle: Not more than 15 degrees. Detection distance: 2cm-450cm High precision: Up to 0.3cm Input trigger signal: 10us TTL impulse Weight: 20g Mode of connection: 1.VCC 2.trig(T) 3.echo(R) 4.GND