Distance measurement module HC-SR04 Ultrasonic Arduino support, contactless free
Technical parameters:
1.Working Voltage: 5 V (DC)
Actual 2.Static: Less than 2 mA.
Output signal: frequency electrical signal, high level 5V, 0V low.
Sensor detection angle: ≤ 15 ° .
Detection range: from 2cm to 500cm.
Accuracy: Can detect variations of up to 0.3 cm
Sign commissioning: TTL signal 10 microseconds
Output signal: TTL signal PWL ("piecewise linear" piecewise linear)
Leaded:
1.VCC (Power)
Two. Trigger Pulse Input (input signal)
Three. Echo Pulse Output (output)
4.GND (Earth)
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