raspberry pi 2040 – WindowsTechs.com

Give Your Pi Pico Captouch Inputs For All Your Music Needs

Posted on March 31, 2024 by Arya Voronova

The board in question, with a Pi Pico soldered on, with old PCBs for macropads being used as captouch electrodes

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 wonderfully, and only requires …read more Continue reading Give Your Pi Pico Captouch Inputs For All Your Music Needs→

ProPico For Your Pro Pico Needs

Posted on January 4, 2024 by Arya Voronova

The Pi Pico replacement board in question, assembled, held diagonally in some type of holder

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 …read more Continue reading ProPico For Your Pro Pico Needs→

Reverse Engineering E-Ink Price Tags

Posted on February 11, 2023 by Navarre Bartz

PCB mounted on 3D-printed holder, debug pins attached to Pi Pico on a breadboard. The battery is in the background, disconnected

E-ink displays are great, but working with them can still be a bit tricky if you aren’t an OEM. [Jasper Devreker] got his hands on three e-ink shelf displays to …read more Continue reading Reverse Engineering E-Ink Price Tags→

USB Host On RP2040 – With PIO

Posted on December 29, 2022 by Arya Voronova

Showing a board with a Pi Pico plugged into it, a USB-A socket marked "USB host", and a character display that says "PASSED" referring to the board being the brains of a testing jig.

Folks from [Adafruit] are showing off a neat hack – USB host on RP2040, using the now-famous PIO peripheral. [Adafruit] builds a lot of RP2040 boards, and naturally, you gotta …read more Continue reading USB Host On RP2040 – With PIO→

2022 Cyberdeck Contest: Keezyboost40 is a Cyberdeck Masquerading as a Keyboard

Posted on October 20, 2022 by Navarre Bartz

An ortholinear keyboard with predominantly blank white keycaps. There are two red keycaps on the bottom outside corners. The center of the keyboard houses a large LCD in portrait orientation on a red PCB.

There’s something to be said for über-powerful cyberdecks, but there’s also a certain appeal to less powerful decks squeezed into a tiny form factor. [Christian Lo] has designed a cyberdeck …read more Continue reading 2022 Cyberdeck Contest: Keezyboost40 is a Cyberdeck Masquerading as a Keyboard→