The module automatically sends eight 40 kHz and detect whether there is a pulse signal back, if the signal back, through high level, output the TTL level signal.
Voltage: DC5V, static current: less than 2mA, level output: high-5V, level output: the end of 0V, sensor angle: not more than 15 degrees, detection distance: 2cm-450cm, high precision: up to 0.3cm.
Practicality: easy installation, not easy to age, strong material, corrosion resistance, long service life.
Package includes: 5pcs HC-SR04+Two free colored Dupont wires, (10pin male to female, 10pin female to female).
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