Nodemcu and ssd1306
Posted: Mon Mar 28, 2022 11:08 amI'm using Arduino IDE 1.8.15 to compile sample codes for the SSD1306 on D1 & D2 pins at a NodeMCU/Amica and 3.3V power and having no display. I2C monitor reports its existence. I have tried different (nodemcu) boards, oleds & digital ports, still the same. The oled works fine with different boards (UNO, 2560). Sounds like software problem but can't put a finger on it. Appreciate any help.