How to ON/OFF a Bulb based on the output of an IC?

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Electroenthusiast

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How to Switch ON/OFF a Bulb based on the output of an IC?

Most probably using IC - 74' series IC's(Ex: AND).
Power Supply will be 230V AC.
Incandescent Bulb/Any other appliance.
 
r.vittalkiran said:
How to Switch ON/OFF a Bulb based on the output of an IC?

Most probably using IC - 74' series IC's(Ex: AND).
Power Supply will be 230V AC.
Incandescent Bulb/Any other appliance.
Click to expand...

Really a pretty open question with little information so here is a simple open answer.

Let the IC drive an SSR (Solid State Relay) that requires a low voltage like 3 Volts to turn it on.

Ron
 
Last edited:
or use a suitable opto-isolator, or simply a transistor to accept the IC output and drive your bulb.
 
aljamri said:
or use a suitable opto-isolator, or simply a transistor to accept the IC output and drive your bulb.
Click to expand...
You normally want to use an opto isolator or an SSR (which is also isolated) to drive a 230VAC load. Directly driving a transistor or TRIAC from the drive circuit would expose the circuit to lethal voltages.
 
crutschow said:
You normally want to use an opto isolator or an SSR (which is also isolated) to drive a 230VAC load. Directly driving a transistor or TRIAC from the drive circuit would expose the circuit to lethal voltages.
Click to expand...

That is correct, I missed to mention adding a relay between the driven transistor and the AC load.

thanks.
 
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