Electronics
HC-SR04 Ultrasonic Distance Sensor Module – Arduino Compatible Proximity Detector
$2.49 per unit
45 in stock
Precision ultrasonic distance sensor with 2–450cm measurement range and 3mm accuracy. Simple 4-pin interface (VCC, Trig, Echo, GND) connects directly to any microcontroller. 15° detection angle with TTL-compatible signals. 5V operation. Ideal for obstacle avoidance, level sensing, parking sensors, and automation projects.
Subtotal (1×)$2.49
Shipping$4.00
USPS First Class (up to 4 oz)
NY Tax (8.375%)$0.21
Est. Total$6.70
Specifications
| Range | 2–450 cm |
|---|---|
| Accuracy | ±3mm |
| Detection Angle | 15° |
| Interface | 4-pin (VCC, Trig, Echo, GND) |
| Operating Voltage | 5V DC |
| Signal | TTL compatible |