I am running and Arduino UNO and trying to integrate these three processes. OLED via I2C, using Adafruit_SSD1306, and Adafruit_GFX and Wire.h libraries (pins A4&A5) Maxbotix Ultrasonic sensor running serial via SoftwareSerial.h (pin D2) Ethernet shield using SPI.h and Ethernet.h libraries I can r…

I2C OLED possible Ethernet shield conflict?

ieee488 April 23, 2018, 3:57pm 4

Which Ethernet shield?
The clone with the Ethernet and microSD card slot uses SPI so there should not be conflict with I2C or SoftwareSerial.

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