HC-SR04 ultrasonic

Sensorby Generic (multiple Chinese manufacturers) · used in 12 robots in the database

Technical specifications

Range	2–400 cm
Resolution	~0.3 cm
Beam angle	<15°
Frequency	40 kHz ultrasonic
Supply voltage	5 V DC
Working current	15 mA
Trigger	10 µs TTL pulse; echo pulse width ∝ distance
Measurement cycle	>60 ms recommended interval
Dimensions	45 × 20 × 15 mm

Ultrasonic ranger, 2-400cm, 5V, 15mA, 40kHz, trigger/echo pulse interface, ~15deg beam

Used by

Graph