Simple fitness timer

Project tutorial by glennedi

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Morse "bug" keyer

Project tutorial by glennedi

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Txt to Morse

Project tutorial by glennedi

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  • Txt to Morse 3 months ago

    Just realised while using the Morse function in another project that it only handles lower case letters!

  • DC piezo buzzer volume control 3 months ago

    Hi Backpacker,
    Sorry for the delay, I have been away from my computer for a while.
    The wiring is quite simple you take the +VE from the dc piezo buzzer (these are the ones with an in built driver circuit) to Arduino PWM pin 11 and connect the ground of the buzzer to the ground pin of the Arduino. So just 2 wires to connect.

  • Blink 2 lead bi-coloured LED 4 months ago

    Thank you for the additional information.
    I came to Arduino via software not software via Arduino so my knowledge of how the pins work internally can be a bit sketchy.

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