Custom PCB for LED Matrix Clock/Thermometer
This is a continuation of the post I wrote more than two years ago where I explored the pin layout of a large LED dot matrix »
Designing and fabricating a giant 7-segment display with Fritzing and JLCPCB.com
This is the hardware part of my odyssey to design and build a large 4-digit, 7-segment display, running on an Arduino Nano. It's a great case-study »
Even a complete novice can manufacture a professional PCB for very little money
This post explains how I ended up manufacturing a cute little binary counter PCB through jlcpcb.com. To make it clear from the start - my »
Build a Remote-Controlled Dot Matrix Message Board in 10 Minutes With Just Two Inexpensive Components
First off - I take no credit at all for this project. All praise goes to the code writer David Bird. His code is here. I »
Kitchen Roll & Silicon Chips - Easy-to-build 8-Digit LED Clock
My addiction to clocks started a few years back when I got it into my head that I wanted to build a mechanical timepiece. I spent »
Programming an 8 digit 7-segment display, the easy way, using a Max7219
In today’s blog, I am going to show you the easy way to interface 7-segment displays – Using the MAX7219. Each 7219 chip can be used »