Top Positive Review for OLED Display on Banggood

TTGO 16M bytes (128M Bit) Pro ESP32 OLED V2.0 Display WiFi +bluetooth ESP-32 Module LILYGO for Arduino - products that work with official Arduino boards

55% OFF TTGO 16M bytes (128M Bit) Pro ESP32 OLED V2.0 Display WiFi +bluetooth ESP-32 Module LILYGO for Arduino - products that work with official Arduino boards US$9.99 US$21.99 View It

Overall:

ShayCurtis 15/01/2020

Very good board, but has a few downfalls. You can’t turn off the board and charge the battery at the same time. Also hardware Serial 2: GPIO 16 and 17 don’t work while using the OLED, to solve this problem I used jumper wire so the OLED rst is connected to 3V, and cut the trace to GPIO 16. Other than that it’s a very good board for an even greater price!

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Loopback7084 I believe you can remap the hardware serial 2 pins to alternate (unused pins). See https://github.com/espressif/arduino-esp32/issues/2858
Reply 22/01/2022

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