If you want to connect any of Apple's laptops to an HDMI monitor, you need to spend $50 on an adapter, and dongles like this $70 multiport adapter add unnecessary bulk to the devices that are ...
One day, [mitxela] got bored and decided to build his own HDMI monitor – the unconventional way. HDMI has a few high-speed differential pairs, but it also has an I2C interface used for detecting ...