Hello,:slight_smile: I want to send data to Arduino through Bluetooth, then the data displayed on OLED, but I don't know how to write the code. My code can let my message displayed on serial monitor, but the OLED has no respond. Here's my code ; String comdata = ""; #include <Adafruit_ssd13…

OLED 12864 ssd1306 display variables

Peter_n October 25, 2014, 4:53pm 2

Which OLED display do you have ? If you bought one on Ebay, can you make a photo of both sides ?
Which Arduino board are you using ? Why do you use pin 8 and 9 for the I2C bus ?

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OLED 12864 ssd1306 display variables

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