1、The parameters of electromagnetic wave detection sensor module :

Input voltage : 4.0 V - 6V

The working current : 20mA

Output: the LED display electromagnetic wave strength

Can adjust electromagnetic wave detection strength through potentiometer

Size : (length) 32mm * (width) 18mm * (high 8mm)

Connection mode:

5V : power input interface.

GND : power to interface.

NC: empty feet.

2、Four grade show electromagnetic state :

A. 10dB (yellow light H1)
B. 20dB (yellow light H1 + green light H2)
C. 40dB (yellow light H1 + green light H2 + green light H3 )
D. 60dB (yellow light H1 + green light H2 + green light H3 + green light H4)

3、Application of electromagnetic wave sensor :

To detect the whether electromagnetic wave or not and to confirm the strength of the electromagnetic wave.

4、Test Chart ：

 

Follow this sensor on YouTube




 

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