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- Fri Jun 26, 2020 10:24 pm
- Forum: Hardware
- Topic: Use USB Serial to communicate but not power ESP
- Replies: 2
- Views: 3515
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...