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by bgondell
Fri Jun 26, 2020 10:24 pm
Forum: Hardware
Topic: Use USB Serial to communicate but not power ESP
Replies: 2
Views: 3393

Use USB Serial to communicate but not power ESP

It's possible to use an USB cable to communicate and program ESP32 but not to power it? Circuit is external powered, but when I connect USB to program and debug, circuit voltaje raises up to 4,4 volts. Components of the circuit can manage this voltaje, but I can not calibrate since power is use as r...