Hi guys, first post here. I've been trying to program an SSD1306 OLED I2C-based display and inevitably the topic on which address I should be using crops up. Obviously I haven't been able to even make the display flicker. The connections were all made (Vcc, GND, SCK and SCL) on a Cytron ARM Cortex…

I2C sweep check practically all numbers

nicolajna September 8, 2021, 6:16am 7

Do you have pull ups on the I2C signals?

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