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12V Delay Switch Off Relay Module NE555
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Information
1 size: 6.8*2.1cm
2 main chip: NE555
3 working voltage: 12V DC

Characteristics
1, when connecting power relay, it is immediately close, and then delay 1-10S off.
2, adjustable delay time, (0 ~ 10 seconds)
3, increase the potentiometer can increase the delay time
4, increase the capacitance of C1 can increase the delay time
5, input power indicator
6, relay indicator
7, control AC 220V/10A equipment. (maximum 2000W control equipment)
8, with the continued flow protection relay.
9, the delay time formula: T = 1.1RC. For example: capacitor 100uF resistor 100K T=1.1*100000*0.0001=11s

Applications: MCU learning, electronic competition, product development, graduation design...

 

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