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- Thu Apr 25, 2019 12:00 am
- Forum: ESP32 Arduino
- Topic: ESP32 + OLED sd1306 different behaviour USB power vs direct power
- Replies: 1
- Views: 2849
Re: ESP32 + OLED sd1306 different behaviour USB power vs direct power
When you power from USB, then your CP2102 USB-Serial converter will hold RST line active for a longer time than when directly powered. Directly power with +5V at your (WeMos) module do not have that option (because no signal change at USB d+ and d-). You can overcome this with an external RST (or ci...