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by RudieO
Thu Jan 28, 2021 11:38 am
Forum: Opentherm Gateway Forum
Topic: Powering ESP32/ESP8266 device using OTGW
Replies: 5
Views: 3548

Re: Powering ESP32/ESP8266 device using OTGW

The ESP8266 boards as NodeMCU and Wemos mini D1 have a 5 to 3.3 volt regular onboard. Both can be programmed with a USB cable connected only. The basic units need 3.3 volt, and need a USB-TTY convertor for programming. This is the same for the EP32 units. In general the 5 volt power supply is prefer...

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