Hi, I've been working on an arduino project lately and i can't figure out an issue. My UNO is linked to both a LCD screen TC1602A-01T and a Relay SRD-05DC-SL-C. If my relay is not connected to the 24V power source, the LCD works perfectly, but as soon as I turn on the 24V, it print random charact…

Conflict between LCD and Relay

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