Jogging Timers

Posted on Feb 7, 2014

This circuit was developed since a number of visitors of this website requested a timer capable of emitting a beep after one, two, three minutes and so on, for jogging purposes. As shown in the Circuit diagram, SW1 is a 1 pole 9 ways Rotary Switch. Setting the switch in position 1, the Piezo sounder emits three short beeps every minute. In positio

Jogging Timers
Click here to download the full size of the above Circuit.

n 2 the same thing happens after 2 minutes, and so on, reaching a maximum interval of 9 minutes in position 9.

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