Annoy-a-Tron
Published in issue 391, July/August 2009
The circuit consists of little more than the AVR micro, a buzzer and an ISP header to program the code into the microcontroller. Apart from two resistors, a jumper to select the mode and an on/off switch, the circuit just needs a battery.
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Click below to download a PDF copy of this article from Elektor magazine.
Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.
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