Using GPIO0 and GPIO4 for SCL/SDA ssd1306
Posted: Tue Aug 02, 2022 6:48 am
Hello all!
I accidentally messed up my pcb design and connected the SSD1306 SCL on D3(GPIO0) instead of D1(GPIO5), SDA is on D2(GPIO4). I understand that GPIO0 is to be avoided and has with boot modes to do, but since i already have the pcb's im hoping there is a way to save this.
For testing i am using the Adafruit SSD1306 test sketch which i added "Wire.begin(4,0);" to void.setup. However i am only able to get a quick flash of the adafruit logo on the screen when i press button before it goes black again.
Any help would be much appreciated.
I accidentally messed up my pcb design and connected the SSD1306 SCL on D3(GPIO0) instead of D1(GPIO5), SDA is on D2(GPIO4). I understand that GPIO0 is to be avoided and has with boot modes to do, but since i already have the pcb's im hoping there is a way to save this.
For testing i am using the Adafruit SSD1306 test sketch which i added "Wire.begin(4,0);" to void.setup. However i am only able to get a quick flash of the adafruit logo on the screen when i press button before it goes black again.
Any help would be much appreciated.