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"path": "/2026/05/07/ploopy-bean-open-source-hardware-pointing-stick-mouse-runs-qmk-firmware/",
"publishedAt": "2026-05-07T04:31:06.000Z",
"site": "https://www.cnx-software.com",
"tags": [
"Hardware",
"Raspberry Pi",
"3d printing",
"firmware",
"keyboard",
"open source",
"Ploopy Bean open-source hardware pointing stick mouse runs QMK firmware",
"CNX Software - Embedded Systems News"
],
"textContent": "The Ploopy Bean is a 3D-printed, open-source hardware pointing stick mouse that runs QMK open-source firmware on a Raspberry Pi RP2040 microcontroller to control four Omron D2LS-21 buttons and a friction nub. Ploopy is a Canadian company known for its open-source hardware computer accessories. We first covered their headphones in 2023, but they’ve also made a trackball mouse, a trackpad, a USB knob, and other accessories since then. The Bean is just the latest addition. Ploopy Bean specifications: Bean Pointing Stick PCB Microcontroller Raspberry Pi RP2040 MCU USB – 1x USB-C port for power and data Buttons – 4x Omron D2LS-21 buttons configured as left click, right click, middle click, and click-to-drag/scroll by default (but customizable) Sensor – Texas Instruments TMAG5273 high-precision 3D hall effect sensor for the nub; up to 20,000 ksps sample rate, detects 3+ microns movements 3D-printed parts – Top, bottom, and spring for red nub Accessories [...]\n\nThe post Ploopy Bean open-source hardware pointing stick mouse runs QMK firmware appeared first on CNX Software - Embedded Systems News.",
"title": "Ploopy Bean open-source hardware pointing stick mouse runs QMK firmware"
}