Description
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A simple project that uses an Arduino to measure the frequency of the mains supply, which is then displayed via an attached moving coil meter driven via a PWM output.
As used in the artwork Time for Tea?.
Note: this project (the circuit and Arduino code) is open source, but the artwork is not. See COPYING.
The Arduino code is based on an example from JeeLabs.
Schematic
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Board
This project does not have a board layout.
Bill of Materials
This project does not have a bill of materials.
This project is © Andrew Back & Jean-Claude Wippler, and is published under the terms of the Creative Commons Attribution-ShareAlike 3.0 Unported licence.