RS232 flow control

How input buffering works

Running MSBASIC on my breadboard 6502 computer

A simple BIOS for my breadboard computer

Adapting WozMon for the breadboard 6502

How Wozniak’s code for the Apple 1 works

Running Apple 1 software on a breadboard computer (Wozmon)

Fixing a hardware bug in software (65C51 UART)

RS232 interface with the 6551 UART

6502 serial interface

Let's build a voltage multiplier!

Hacking a weird TV censoring device

The RS-232 protocol

How do hardware timers work?

Why was Facebook down for five hours?

SPI: The serial peripheral interface

How does n-key rollover work?

How does USB device discovery work?

How does a USB keyboard work?

Keyboard interface software

Keyboard interface hardware

So how does a PS/2 keyboard interface work?

Breadboarding tips

World's worst video card gets better?

Installing the world’s worst video card

Interrupt handling

What is error correction? Hamming codes in hardware

Hardware interrupts

Binary to decimal can’t be that hard, right?

How assembly language loops work