RS232 interface with the 6551 UART
24:50
Fixing a hardware bug in software (65C51 UART)
26:10
The RS-232 protocol
33:00
SPI: The serial peripheral interface
28:27
Keyboard interface hardware
28:43
Is this the FASTEST and CHEAPEST 8-Bit Computer Ever?
25:12
Installing the world’s worst video card
44:25
World's worst video card gets better?
28:43