Make Electronics: Part 6

Today, in the Make Electronics, it was the start of working with relays. A relay is an electrically operated switch. They control one electrical circuit by opening and closing contacts in another circuit.They may be used to regulate the flow of current in a circuit. They were first used in telephones and early electronic circuits.

 

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Creating today’s circuit was a big mess. Wires were tangled up everywhere and sorting everything out was tedious. 

 

But finally….

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Measuring using the multimeter.

I got somewhere in this experiment and was able to measure the resistance of the circuit. However, you would have to press the button of the tactile switch many times rapidly to make the multimeter say something other than OL.

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