DX: HC-SR04 Ultrasonic Sensor Distance Measuring Module
HC-SR04 Ultrasonic Sensor Distance Measuring Module
Product link: http://dxurl.com/RJKO
More Discounted Choices: http://www.dx.com/c/electrical-tools-...
Model: HC-SR04
Color: Blue + Silver
Working voltage : 5V(DC)
Static current: Less than 2mA.
Output signal: Electric frequency signal, high level 5V, low level 0V.
Sensor angle: Not more than 15 degrees.
Detection distance: 2cm~450cm.
High precision: Up to 3mm
Mode of connection: VCC / trig(T) / echo(R) / GND
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