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A display which can either display voltage or act as a UART/I2C display.
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Seven Segment Multifunction Display

see the article here A picture of the finished display


A simple project, based on the ATmega88. Can show analog voltage in two ranges (0 - 6 V or 0 - 30 V) with < 1 % accuracy or can display characters sent to it via UART/I2C.

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