Retro Analog Voltmeter #piday #raspberrypi @Raspberry_Pi
via instructables
Before LEDs and computer screens were common methods for displaying information, engineers and scientists depended on analog panel meters. In fact, they are still in use in a number of control rooms to this day because they:
can be made quite large
provide information at a glance
In this project, we are going to use a servo to construct a simple analog meter and then use it as a DC voltmeter. Note that many of the parts for this project, including the TINKERplate are available here:
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