How to make a temperature controlled switch for 220v ac fan.?

Thread Starter

iq.

Joined Dec 24, 2014
2
Hey! I need to make a 220volts ac temperature controlled fan from 220v ac supply and i am just a beginner! Can anyone please suggest me how to use a 220v relay in it?
 

ScottWang

Joined Aug 23, 2012
6,874
Something like this:
1. LM35
2. Op Amp amplify circuit.
3. AC220V to 5Vdc adaptor.
4. AC220V SSR or Relay or Photocouple and TRIAC.
 
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