Make: Electronics relay oscillator

Technology

I put together the breadboarded relay oscillator experiment from the excellent Make: Electronics book, using the parts from the Make: Electronics Components Pack 1, both of which are available from the Maker Shed. Since the power adapter in the kit has some barrel plugs I didn’t want to chop off, I came up with a way to adapt it for use with the terminal screws on the supplied breadboard.

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John Edgar Park likes to make things and tell people about it. He builds project for Adafruit Industries. You can find him at jpixl.net and twitter/IG @johnedgarpark

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