All articles
Easy
Explorer HAT Pro PIN entry system
Learn how to use Explorer HAT Pro to build your own PIN entry system
Easy
Explorer HAT Pro Lights Out Game
Learn how to create a fun little version of the Lights Out game using Explorer HAT Pro
Easy
Driving a 4-digit, 7-segment Display from A+, B+ or Pi 2
Learn how to drive a 4-digit, 7-segment display from just those extra pins on the 40-way header.
Intermediate
An exhaustive demystification of a 7 segment digit
Learn how figure out how to drive a single 7 segment display, right from the very basics.
Intermediate
Controlling Your Robot: USB HID/Wireless Keyboards
This article walks you through controlling a Pi-powered Robot with a USB HID Keyboard or similar USB input device.
Advanced
Building a Raspberry Pi Pan/Tilt Face Tracker
Learn how to combine a servo driver, pan-tilt kit and Raspberry Pi camera into your own diligent face tracking machine.
Easy
Anatomy of a Mini Breadboard
Find out a little about the breadboard's humble origins, and exactly how to use one.
Intermediate
Add a Serial/UART breakout to your Pi
Serial is great for debugging and configuring on the go, but having to remove an add-on board to get at the right pins is a pain. Let's add some more!