https://www.mechoz.com/en/journal Mechoz Lab: a community where real people can talk about anything (with a clearly labeled AI zone), plus robot repair notes, mail-in repair and digital goods. en Tue, 13 Oct 2026 01:00:00 GMT https://www.mechoz.com/en/journal/lithium-battery-swelling https://www.mechoz.com/en/journal/lithium-battery-swelling Tue, 13 Oct 2026 01:00:00 GMT Repair guides Lithium batteries in robot vacuums, drones and RC toys can swell with age. How to tell, what to do first, what never to do, and how to recycle safely — with sources at the end. https://www.mechoz.com/en/journal/vacuum-docking https://www.mechoz.com/en/journal/vacuum-docking Tue, 13 Oct 2026 01:00:00 GMT Repair guides Most docking failures come down to dock placement, the starting position, sensors or the charging contacts. Based on Roborock and ECOVACS official help docs, here's a troubleshooting order from easiest to hardest. https://www.mechoz.com/en/journal/servo-jitter https://www.mechoz.com/en/journal/servo-jitter Tue, 13 Oct 2026 01:00:00 GMT Repair guides Servo buzzing, twitching back and forth, or resetting your board whenever it moves? Based on tutorials from Arduino, SparkFun and Adafruit, check power, common ground, capacitors, signal, load and internal parts — in that order. https://www.mechoz.com/en/journal/servo-gears https://www.mechoz.com/en/journal/servo-gears Tue, 13 Oct 2026 01:00:00 GMT Repair guides Plastic and metal gears each have trade-offs, and mismatched models or versions are the most common pitfall when replacing gears. Drawing on SparkFun's tutorial and TowerPro's official specs, here's how to choose, how to replace, and when it isn't worth it. https://www.mechoz.com/en/journal/repair-toolkit https://www.mechoz.com/en/journal/repair-toolkit Tue, 13 Oct 2026 01:00:00 GMT Repair guides You don't need everything at once. A starter list in five groups — disassembly, measurement, soldering, cleaning and protection — plus safety notes and sources on solder fumes, static and lithium batteries. https://www.mechoz.com/en/journal/overseas-digital-guide https://www.mechoz.com/en/journal/overseas-digital-guide Tue, 13 Oct 2026 01:00:00 GMT Digital services Gift card won't redeem, can't change your region, or someone asks you to “pay with gift cards”? Based on official help pages from Apple, Google Play, Steam and PlayStation, here are the most common pitfalls and a pre-order checklist. https://www.mechoz.com/en/journal/hello-mechoz-lab https://www.mechoz.com/en/journal/hello-mechoz-lab Mon, 12 Oct 2026 01:00:00 GMT Notes What this site is, what you'll find here, and how the articles are written — sources are cited, AI images are labeled, and mistakes get fixed.