Reghunath Thekkepat
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DC5V 4-Channel Android Mobile bluetooth Relay Module
US$6.47 US$20.14

Q: how to connect

Asked by 8651533989 on 2018-09-02 09:42:07

Reghunath Thekkepat I have switched on Bluetooth in my android mobile. Applied password 1234 and got connected. But nothing is happening after that So suggest me for futther

2018-11-21 09:38:06 Helpful (0)
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5000W AC 220V High Power Electronic Regulator SCR Voltage Regulator Module
US$11.99 US$14.99

Q: I am not understanding. It seems to have one terminal for 220AC in and one terminal for output. Where is the neutral reference?

Asked by Douglas on 2017-11-06 01:59:34

Reghunath Thekkepat Just think how the electronic regulator for fan works...the same concept

2018-10-16 08:10:09 Helpful (0)
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Answers (2)

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