KanaChord Is A Macro Pad For Japanese Input

There are various situations that warrant additional keyboards on your desk, and inputting a second language is definitely a good one. That’s the idea behind KanaChord, which generates Unicod…

Give Your Pi Pico Captouch Inputs For All Your Music Needs

Unlike many modern microcontrollers, RP2040 doesn’t come with a native capacitive touch peripheral. This doesn’t mean you can’t do it – the usual software-driven way works w…

Keebin’ With Kristina: The One With The Pickle Pi

The unstoppable [jefmer] wrote in to alert me to Pickle Pi, their latest Keebin’-friendly creation. Why “Pickle Pi”? Well, the Pi part should be obvious, but the rest comes from t…

Chording Keyboard Leaves Your Mouse Hand Free

[akmnos22] was getting tired of moving one hand to the mouse and back to the keyboard. Rather than integrating mouse controls into a keyboard, they decided to really lean in and create a chording k…

Thumbs Up To This Pico MIDI Kalimba

The kalimba, or thumb piano, is an easy way to make some music even if you have next to no idea what you’re doing. The only real downside is that they are limited to the twinkly sounds of met…

ProPico For Your Pro Pico Needs

Ever feel like the Pi Pico board could be doing way more given its footprint? Does it bother you that the RP2040’s ADC quality is even further decreased because of the noisy onboard switching…

Impressively Responsive Air Drums Built Using The Raspberry Pi Pico

Drum kits are excellent fun and a terrific way to learn a sense of rhythm. They’re also huge and unwieldy. In contrast, air drums can be altogether more compact, if lacking the same impact as…

Building A Better Keyboard And Mouse Switch

Switching inputs between desktops seems like something that should be simple but can prove to be a pain in reality. [Hrvoje Cavrak] decided to take maters into his own hands and build a better keyb…

Radiochat Is A Simple LoRa Interface Over WiFi

LoRa is often talked about as a potentially useful solution for emergency communication. The problem is, few of us are running around with LoRa hardware on a day-to-day basis. Student [William Bark…

Raspberry Pi Pico Becomes MIDI-Compatible Synth

ECE 4760 is a microcontroller course that runs at Cornell every year, and it gives students a wide remit to pursue various kinds of microcontroller projects. [Pelham Bergesen] took the class and bu…

Arbitrary Wave Generator For The Raspberry Pi Pico

Once upon a time, if you wanted to generate some waveforms, you needed to buy an expensive off-the-shelf function generator or whip up a big pile of analog electronics. Not so today, when you can g…

Simple Badge Is Simple, But Its Yours

Making conference badges, official or unofficial, has become an art form. It can get pretty serious. #badgelife. But DEFCON-goers aren’t the only people making fancy personalized nametags. Ha…

KaboomBox Is A Firecracker Of A Music Player

Ka-chunk. Let’s face it, 8-tracks were not that great. But the players, that’s another story. The Panasonic RQ-830S, aka the dynamite or TNT player is just one of many lovely designs th…

How Not To Build An RP2040 Board

We love that these days you can buy ready-made microcontroller boards that are very capable. But sometimes you need to — or just want to — do it yourself. Unfortunately, you really shou…

Pi Pico Becomes SRAM For 1981 Educational Computer

Ever since the Raspberry Pi Pico was introduced in early 2021 we’ve seen the tiny Pi being used for an astonishing variety of applications. It has powered countless clocks, gadgets, games, an…

Thin Keyboard Fits In Steam Deck Case

Although some of the first Android-powered smartphones had them and Blackberries were famous for them, physical keyboards on portable electronics like that quickly became a thing of the past. Presu…

Finally, A Machine To Organize Resistors!

Perhaps it’s a side-effect of getting older, but it seems like reading the color bands on blue metal-film resistors is harder than it was on the old brown carbon ones. So often the multimeter…

Hackaday Prize 2023: Jumperless, The Jumperless Jumperboard

Jumperless is a jumperless breadboard with multicolored LED visualization of signals in real-time. Sounds like magic? This beautifully executed entry to the 2023 Hackaday Prize by [Kevin Santo Capp…

Angry Robot Face Is Less Than Friendly

Sometimes you just need to create a creepy robot head and give it an intimidating personality. [Jens] has done just that, and ably so, with his latest eerie creation. The robot face is introduced t…

A New Educational Robotics Platform

When looking for electronics projects to use in educational settings, there is no shortage of simple, lightweight, and easily-accessible systems to choose from. From robotic arms, drones, walking r…