asturmaps

Member Since: February 14, 2015

Country: Spain

Tutorial - Logic Levels about 2 months ago

Hello, sorry, I'm a newbie. How can I measure the logic level of a Tx/Rx GPIO to know if it works at 5v or 3.3v, multimeter, oscilloscope, logic analyzer. They could include a link to a YouTube video showing how to measure. I need to connect a GNSS board to an ESP32, but I don't want to burn the board. Thanks 1000!!!!

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