Content for 14-Segment Alphanumeric Display

Mash Up Arduino Code Samples

“This tutorial walks through the process of combining Arduino sample sketches to make a working project prototype. Developing the code for your project can be the most intimidating part, especially if you havent done it a thousand times already. If …

Garage Door Monitor

“There are lots of garage door monitor projects on hackster.io and other Maker sites. Many are single-purpose solutions. I wanted a project that would be extensible, to build on the skills learned for future IOT projects. In fact, I …

PI Chess Computer

“Modeled after the “Chess Challenger” made in 1978. This PI powered, retro themed build, is an open source hardware design capable of running an up to date chess engine, Stockfish.”

How to Defuse a Time Bomb Game

“This idea just came to me out of the blue. I couldn’t really find anything quite like it. The original idea was much more involved, so this is a simplified version of the game. This is a “time bomb …

Mystery Box: Crypto Countdown Case

“Picture this: You are a Cold War-era spymaster, stationed in West Germany. One of your operatives has risked life and limb to get her hands on this mysterious case. You inspect and then carefully open it to be greeted by …

IoT Smart Alarm Clock (Open Source Project)

“Welcome to the Smart Alarm Project! Smart_alarm is an open-source project about building and programming a Internet of Things alarm clock. This instructable provides all information you need to build the smart alarm clock on your own. Even though we …

Raspberry Pi AY-3-8910

“This is not the most original project, but working on my Apple II KSP project got me thinking about ancient sound cards, specifically the Mockingboard Sound available on old Apple IIs. These boards used the AY-3-8910/1/2 sound …

Experimenting with MAX6955

“MAX6955 is an interesting LED driver chip. It is the primordial charlieplexing device, being the materialization of a technique invented by Charlie Allen of Maxim Integrated. Without understanding how charelieplexing works, it is actually counter-intuitive to wire multiple (up to …

Prototype 14-segment-display shield

“There are many ways (*) to drive the 6-digit 14-segment common cathode display from Seeed Studio. This time I chose to multiplex two MAX7221, a method described here (but used for driving a bi-color 8x8 LED matrix).”