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Detecting range:
3cm-4M
Best in 30 degree angle
Electronic brick compatible interface
5VDC power supply
Breadboard friendly
Dual transducer
library ready
Specification:
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 0.3cm
Working tempter:-20C___+60C
Weight: 10g
Size: 45x 21mm (L x W)
SR04 Connector 4 Pin:
VCC
Trig
Echo
GND