Ultrasound Sensor Module HC-SR04
HC-SR04 Ultrasound Sensor For Range and Distance
The HC-SR04 ultrasound sensor uses sonar to determine distance to an object like bats or dolphins do. It provides great non-contact range detection with high precision and steady readings in a simple package.
Operating voltage: 5VDC
Quiescent current: 2mA
Accuracy: up to 3mm
Distance range: 2 cm to 450 cm
Measuring angle:15 degree
Ultrasonic Frequency : 40kHz
Trigger Pulse Input Signal: 10uS TTL pulse
Echo Pulse Output Signal: Output TTL signal, proportion with range
Connections: Vcc, trigger, echo, ground
Dimension:45 x 20 x 15mm
Weight : 8g
Example project: HC-SR04 Ultrasound sensor with LCD Keypad Shield. Ask us how.