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Wall clock based on led matrixes, Arduino Mega, and RTC DS3231
Wall clock using Arduino Mega controlling 32x16 led matrix (2xWS2812B 16x16 matrixes). The RTC is kept on a DS3231 module which provides also the temperature. The led intensity is automatically adjusted to ambient light by a light sensor.
This is an application to run presentations made from various source files, which you can arrange in a playlist. It outputs to a separate window, which has no border and have a size given by a user.
It's useful for driving LED walls or projectors.