Info display with an Arduino Nano, a 4 in 1 8x8 red LED matrix, a temperature and humidity sensor, a real time clock module, PIR motion sensor and a custom script - battery powered.
The script can easily be edited to display all kinds of texts.
Project details and the Sketch code are available over here: https://www.hackster.io/ericBcreator/arduino-32x8-led-matrix-info-display-6e1035
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music: Trancer