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Good morning everybody i am looking for help.
I have esp32 + MCP 23017 IO connected to 8 + 8 relays modules 5 v. After few hours i lose relays.
I am powering everything with a 5 v 10 amp supply. Esp32 powered on the usb plug or from vcc and gnd pins do not make any difference because in both options I lose relays. When I lose relays, IO led is on.
Thanks
A