An adjustable constant current generator is an essential tool for many electronic applications, especially when a stable current is required regardless of the load. This project, designed and built with a PIC16F1765 microcontroller, combines both constant current sourcing and sinking capabilities in one device, with the ability to adjust the value from 0 to 1000…
https://youtu.be/DRDmLbAgXZc How often have you used a screen for hours, only to find your eyes feeling strained, tired, and sore? Especially with the pandemic we’re all working and studying using our computers more than ever before, and because of this eye care is even more important than normal. To protect your eyes when using…
My objective here was to be able to listen to the 8am news over breakfast – without having to up at 8am. Hence the inclusion of the recording function. I have been enjoying the news every day for several months now, when I am ready to listen to it, and with just a couple of…
We are going to use digital signatures to add security to our system. If you want to learn more about how to use the Cryptographic Co-processor, check out this tutorial and video. These will show you the fundamental ideas behind digital signatures, walk you through how to setup each co-processor. For the secure garage door opener example…
Channel your inner Targaryen by building this voice-activated, colour-changing, 3D-printed Drogon before watching the next episode of Game of Thrones. Winter has come This is a spoiler-free zone! I’ve already seen the new episode of season 8, but I won’t ruin anything, I promise. Even if you’ve never watched an episode of Game of Thrones…
Not one for rising with the sun, and getting more and more skilled at throwing their watch across the room to snooze their alarm, Reddit user ravenspired decided to hook up a physical bell to a Raspberry Pi and servo motor to create the ultimate morning wake-up call. DIY RASPBERRY PI BELL RINGING ALARM CLOCK!…
Blinky lights and music created using a Raspberry Pi? Count us in! When Aaron Chambers shared his latest project, Py-Lights, on Reddit, we were quick to ask for more information. And here it is: Controlling lights with MIDI commands Tentatively titled Py-Lights, Aaron’s project allows users to assign light patterns to MIDI actions, creating a rather…
Never let it be said that some makers won’t jump in at the deep end for their ambitious experiments with the Raspberry Pi. When Ievgenii Tkachenko fancied a challenge, he sought to go where few had gone before by creating an underwater drone, successfully producing a working prototype that he’s now hard at work refining….
Kids of the 1980s, rejoice: the age of the digital Etch-A-Sketch is now! What is an Etch-A-Sketch Introduced in 1960, the Etch-A-Sketch was invented by Frenchman André Cassagnes and manufactured by the Ohio Art Company. The back of the Etch-A-Sketch screen is covered in very fine aluminium powder. Turning one of the two directional knobs runs…
We’ve worked alongside the team at Wolfram Mathematica to create ten new free resources for our projects site, perfect to use at home, or in your classroom, Code Club, or CoderDojo. Try out the Wolfram Language today, available as a free download for your Raspberry Pi (download details are below). The Wolfram Language The Wolfram language…
Today’s a bit of a milestone for us: this is the 2000th post on this blog. Why does a computer company have a blog? When did it start, who writes it, and where does the content come from? And don’t you have sore fingers? All of these are good questions: I’m here to answer them…
Liz interjects with a TL;DR: you can buy our official (and very lovely) keyboard and mouse from today from all good Raspberry Pi retailers. We’re very proud of them. Get ’em while they’re hot! Alex interjects with her own TL;DR: the keyboard is currently available in six layouts – English (UK), English (US), Spanish, French,…
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