ESP32 UART Logic Level

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kelapuress
Posts: 2
Joined: Fri Mar 09, 2018 2:10 pm

ESP32 UART Logic Level

Postby kelapuress » Sat May 05, 2018 6:25 am

Hello,
I am trying to use ESP32 DevKit V1 and communicate using STM32 UART which is 3.3V logic level. But, I see that no AT command is able to get reply from ESP32. What could be the problem? What is the UART logic level for ESP32?
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