555 IC Timer control relay Switch

This is easy Timer circuit projects. Control by relay. It use IC 555.
This the circuit sets the time to are simple one that interesting , because use IC LM555 Timer be 8 pin integrated circuits. But can set the time accurate can use by fine while VR1 , and use the the Secretariat of the Senate reset the system is new. When want to set the time new every time for electric appliances supervision as a result can control with Relay Switch normal.

Relay Driver
The above is a standard way of driving Small Power Relays from Control Signals generated by Logic or Opamp Circuits. C2 and R5 form a snubber which improves the life of the metal contacts, ...
Relay Toggle Circuit Using a 556 Timer
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Touch Switch
This circuit uses a LM555 timer as the bases of the touch switch. You can learn more about 555 timers in the Learning section on my site. When the plate is touched the LM555 timer is trigger ...
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Intermittent wiper controller by 2N4401
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