Thursday, 19 April 2018

Can I convert a toggle switch to momentary switch using a transistor and capacitor?


After searching online for an answer to how to convert a toggle switch to a momentary switch I found the circuit below. I've simulated it and it works in CircuitLab.


schematic


simulate this circuit – Schematic created using CircuitLab


I'd like to do the same thing using a transistor instead of a relay but so far I haven't been able to make it work in CircuitLab. Can I convert a toggle switch to momentary switch using a transistor and capacitor?



Answer



I believe something like this would work for you:




You will have to play around with the cap and resistor values in order to achieve your desired timing and intensity for the lamp.


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