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10pcs HC-SR04 Ultrasonic Sensor Distance Module for Arduino MEGA2560 Nano Robot XBee ZigBee by ElecRight
HC-SR04 Ultrasonic Sensor
Power Supply :5V DC
Quiescent Current : <2mA
Effectual Angle: <15°
Ranging Distance : 2cm - 500 cm
Resolution : 0.3 cm
Mode of Connection: VCC/ trig(T)/ Echo(R)/ GND
(VCC supply 5V, and GND is ground wire. TRIG is trigger control signal input, ECHO is echo signal output.)
Quantity: 10pcs
Attention:
The module should be inserted in the circuit before been powered to avoid producing high level of misoperation; if producted, power it again.
The module is not suggested to connect directly to electric, if connected electric, the GND terminal should be connected the module first, otherwise,it will affect the normal work of the module.
When tested objects, the range of area is not less than 0.5 square meters and the plane requests as smooth as possible, otherwise ,it will affect the results of measuring.
Customer
2025-08-29 20:15:31
These work as expected. Range isn’t too great but for the price they’re great. No issues so far
Jonathan Schroeder
2025-08-24 12:10:23
I have been using HC-SR04's for a while now for a robot that I am building. I was powering and testing one from a different seller and the circuit worked perfectly and the sensor was giving me accurate measurements. When I replaced it with this one—which is said to run identically—the measurements were incredibly sporadic and entirely inaccurate.
Rob Unger
2025-01-30 14:09:07
Great deal. They work well. Easy to use
tmegahee
2025-01-12 15:28:21
Six out of ten failed. 4 were DOA.
chad
2024-12-05 14:50:42
Perfect for various projects with Arduino or Raspberry PI
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