Cannot read sensor from UART0 RX

All ESP8266 boards running MicroPython.
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Roberthh
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Re: Cannot read sensor from UART0 RX

Post by Roberthh » Thu Jun 23, 2022 2:27 pm

The link mentions a series resistor, which explains the signal level problem. That resistor protects the ESP8266 from being damaged by the 5V level.

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