Multiple OLEDs? Save Pins By Sharing the I2C Clock
Inexpensive OLED displays with I2C interfaces abound, but there is a catch: they tend to be stuck on I2C address 0x3C. Some have a jumper or solder pads to select an alternate (usually 0x3D), but they lack any other method. Since an I2C bus expects every device to have a …read more
Continue reading Multiple OLEDs? Save Pins By Sharing the I2C Clock