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…

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…

Get To Know Touch With This Dev Board

In the catalogue of the Chinese parts supplier LCSC can be found many parts not available from American or European suppliers, and thus anyone who wants to evaluate them can find themselves at a di…

TTP223 Brings Simple Touch Controls To A LED Lamp

You can buy small modules with capacitive touch detection ICs — most often it’s the TTP223, a single-button capacitive model with configurable output modes. These are designed to pair w…

REMOTICON 2021 // Hal Rodriguez And Sahrye Cohen Combine Couture And Circuitry

[Hal Rodriguez] and [Sahrye Cohen] of Amped Atelier focus on creating interactive wearable garments with some fairly high standards. Every garment must be pretty, and has to either be controllable …

Capacitive Touch Controller For FPGAs

Most projects that interface with the real world need some sort of input device. Obviously this article is being written from a standardized “human interface device” but when the comput…

Capacitive Mouse Built For A Friend Makes For A Touching Tale

Those tiny switches inside your mouse may be rated for 50 million clicks or more, but your fingers will likely wear out much sooner than that. Trust us — mouse arm and/or hand fatigue is no f…

MIT’s Knitted Keyboard Is Quite A Flexible MIDI Controller

There are only so many ways to make noise on standard instruments such as acoustic pianos. Their rigidity and inputs just don’t allow for a super-wide range of expression. On the other hand, …

Polyphony On A Tiny Scale

Older readers may remember the Stylophone, a small battery powered electric organ using conductive PCB pads and a stylus to create notes. The simple multivibrators in those instruments made them mo…