We all like cheap items off eBay especially if they do cool and unusual things, sometimes we get so carried away by the price that we do not even realize that fact that we do not know anything about ...

(Nanowerk News) From modern smartphones to televisions: organic light-emitting diodes (OLEDs) are an emerging technology that promises, among other benefits, excellent image contrast and low power ...

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 ...