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Electronic-Reminder Circuit Diagram

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Publish timeļ¼š10-26-2020
This easy-to-build electronic alert will alert you to important tasks after a preset time.This is especially useful for housewives and busy professionals.All you have to do is set the time in minutes with the help of two finger wheel switches (S3 and S4), then press and release the start switch.Right after the time you set, there are sound and visual indications to remind you that the set time has passed.The gadget is portable and runs on a 9V battery.
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Electronic-Reminder Circuit Diagram