Dissatisfied with sitting around all day, product strategist, self-described hacker, and Medium contributor David Kong invested in a motorized standing desk, yet still found himself seated a lot and rather sore around the lumbar region. His solution? A desk that rises into its standing position on a schedule, whether he feels like standing or not, controlled by a Raspberry Pi Zero.
Kong took apart his desk’s control panel, and to his delight discovered a row of exposed pins that, when correctly connected, could simulate the button-presses that trigger the desk’s motors. How best to connect them? To a Raspberry Pi Zero W’s GPIO pins, of course.
Some of the desk’s buttons are programmable, with one set to its seated height and another to its standing height. These are wired through a relay to the Pi’s pins, where they are triggered by a Python script Kong wrote by SSHing into the Pi via USB. One of the GPIO pins is controlled at a random interval between 45 and 60 minutes, triggering the motors to switch between its two programmed states, forcing Kong to sit down and stand up when he least expects it.
The soldering is, as Kong admits, a bit messy and nothing a little heat shrink wouldn't fix. The way the whole assembly is taped to the bottom of the desk gives it what you might call a charming home-made aesthetic, but he reports it’s been running flawlessly for a few months and improved his back pain, which seems like a win-win situation to us.
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Ian Evenden is a UK-based news writer for Tom’s Hardware US. He’ll write about anything, but stories about Raspberry Pi and DIY robots seem to find their way to him.