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  • Teletwanger commented on killerjackalope's instructable Amp Dial Earbuds2 weeks ago
    Amp Dial Earbuds

    These are more commonly known as "chicken head knobs" in North America. I like the idea. They are available in several different colours as well. Cheers!

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  • Keep your computer awake with a cup

    Ummm that's a drinking glass, not a cup, which are usually made from porcelain or stoneware, unless it's made from Pyrex. Just sayin...Oh btw, interesting idea. Pretty much anything reflective should work. Rest your mouse on a small piece of aluminum foil, or even crumple a piece over the entire mouse, so it can't get bumped off by accident. Cheers!

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  • Teletwanger commented on Kester1's instructable 18650 Battery Charger1 month ago
    18650 Battery Charger

    18650's are individual cells, not batteries. All you did was to solder 2 wires to attach a cell holder to an existing charger. Those cells have to be charged with extreme care. Make a simple mistake and an 18650 could quickly overheat, resulting in an intense fire or explosion. Here's a scenario to consider: one of the cells gets mistakenly inserted backwards, or something causes a short on the cell or the board, quickly melting the adhesive in that tape, causing everything to become unattached from the wood. Those cells and the charging circuits can get quite hot while charging. When they do catch fire or explode, it happens violently, usually without warning. Chemical fires can be difficult to extinguish. Then to top it off, you taped everything to a piece of wood, which adds another ...see more »18650's are individual cells, not batteries. All you did was to solder 2 wires to attach a cell holder to an existing charger. Those cells have to be charged with extreme care. Make a simple mistake and an 18650 could quickly overheat, resulting in an intense fire or explosion. Here's a scenario to consider: one of the cells gets mistakenly inserted backwards, or something causes a short on the cell or the board, quickly melting the adhesive in that tape, causing everything to become unattached from the wood. Those cells and the charging circuits can get quite hot while charging. When they do catch fire or explode, it happens violently, usually without warning. Chemical fires can be difficult to extinguish. Then to top it off, you taped everything to a piece of wood, which adds another fuel to the fire. Let's not forget about the plastic holder, which will melt and burn the fastest, maybe it's metal parts falling off and causing another cell to short out With 4 separate charging circuits, the risk of fire or explosion is now 4 times greater. If one of those cells catches fire, it would be difficult to extinguish it before the resulting heat causes one, or all of the other cells to ignite or explode. Think about it dude. Please read some datasheets from those 18650 cells. The warnings about charging them are there for a reason.

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  • It's really easy to remove them. Simply find the right size flat head screwdriver that will fit across 2 of the points. Push in firmly with the screwdriver and turn slow and steady to avoid camming out (slipping), or stripping the screwhead. I have never had an issue with them. Just remember, firm pressure, screwdriver fitting tight between 2 points and go slowly. Hope this helps...cheers!

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