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“Turn your Raspberry Pi and old Android phones into a security camera and monitor it from an IoT platform! In this tutorial we will explore how to make a wireless home security camera system using Raspberry Pis and/or old …
“Ever since the 80’s I’ve wanted to build a Z80 computer. I even bought the chips, but never used them. The reasons for this are varied. I never liked erasing and reprogramming EPROMs. My EPROM eraser died. I …
“This project can be built in about half an hour at a cost of about $20.00 if you have existing 433Mhz or 315Mhz wireless alarm sensors. It can also be a complete new project with wireless alarm sensors, such …
“So in Blue Light Project Part1 I explained some of the steps I took to reduce insomnia by reducing evening blue light. I didn’t have an easy way of seeing how well it worked, so I decided to build …
“We all have a special friend who needs supervision on a night out. Mine is called Geoffrey, and on his stag weekend it seemed prudent to have an outward display of how much of a liability he was likely to …
“After the nice reception my last article on NTP got, I decided that it was about time I pulled a project off the shelf from a few years ago and get a stratum 1 NTP server running on a Raspberry …
“The Cassette Pi is a self-contained real-time notification scroller, all housed neatly inside a transparent cassette tape. A Raspberry Pi Zero is sandwiched between the two tape reels, retrieving all manner of Internet of Things notifications from the fabulous IFTTT …
“I’ve used a Microsoft Natural Elite keyboard for years. And after almost 20 years of loyal service, it’s at the end of its lifespan. During my search for a replacement, I also looked at different mechanical keyboards. And …
“Introduction I’ve recently become interested in clock projects, and it seemed appropriate to start by building the essential digital clock assembled from logic chips. Although clock projects exactly like this have been around for the best part of 50 …
“This is the EmTronic mini synth, it’s a super simple Arduino powered noise maker that I have designed to be easy to build and only requires easy to buy parts. This little synth allows you to control frequency, modulation …