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Minggu, 01 November 2009

Video Activated Relay Circuit

If you want the tuner you need to build the tuner by yourself ? The relay contactor output was connecting to electronic circuit by under control. What is that mean? Can You directly connect the relay to a socket ? and the TV can straight away plug in to the socket? For the electronic circuit diagram which is only DC voltage , but i think the tv need AC , Yes?

So,do you need to put a transfomer ? where should you put ? how to decided which kind of transformer to be used?

We think normally is 12Volt or 9Volt transformer? Yes.

Electronic Component Part List:

1. R1, R2 10K 1/4 W Resistor
2. R3 1K 1/4 W Resistor
3. R4 33K 1/4 W Resistor
3. C1 1uF Electrolytic Capacitor
4. Q1, Q2, Q3 2N2222 NPN Transistor 2N3904 NPN Transistor
5. D1, D2, D3 1N4148 Diode
6. K1 9V Relay
7. J1 RCA Jack

1. For you will be take the circuit to switch for control mains voltage, it should be enclosed in a case.

2. This electronic circuit may be also work with most line level audio, however you may have to change the resistance value of R1 .

Video Activated Relay Circuit for apply your electronic project

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