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ESP32 NodeMCU v1.1

STDESP32 NodeMCU v1.1

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Creation time:2022-09-17 05:57:38Update time:2022-10-03 04:02:56

Description

ESP32 in NodeMCU pin compatible form factor, intended for upgrading existing PCBs.

I normally upload new firmware through OTA and really did not have any use for onboard USB, so I included a sonoff style 5-pin serial header instead.

Since the ESP32 has excellent GPIO pin remapping flexibility, I did not duplicate the serial pins into the main NodeMCU pins, but rather used other universal pins.

I did not attempt to match pin numbers with NodeMCU, since they behave differently to ESP8266 anyway, for example GPIO12 is generic on ESP8266 but has special function on ESP32. I stayed away from all ESP32 strapping pins, since it has so many generic pins anyway, and it's so easy to remap in software.

 

If you intend to use an ESP32-WROOM32 module with the PCB antenna, I recommend Version 1.2 of this PCB which has a complete PCB cutoff which improves WiFi performance.

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