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HC-SR04 ULTRASONIC MODULE
Please check our other listings for the unit's mounting bracket
Product information
Ultrasonic ranging module HC-SR04 provides 2cm - 400cm non-contact measurement. The ranging accuracy can reach 3mm. The module includes an ultrasonic transmitter and receiver as well as control circuitry.
The basic principle of how the module works:
Easy interfacing to a microcontroller as follows:
The HC-SR04 is good choice. Its stable performance and high ranging accuracy make it a popular module in the electronic market. Compared to the Sharp IR ranging module, the HC-SR04 is inexpensive but has the same ranging accuracy with a longer ranging distance.
Specifications
Power supply: 5V DC
Quiescent current: <2mA
Effective angle: <15°
Ranging distance: 2 – 400cm
Resolution: 3mm
Package includes
1 x HC-SR04 Ultrasonic Module