DIY USB Handbrake for racing games

thingiverse

Version 2 is available. Visit the bottom of this page to learn more. Please note that this version might not handle anger or violence outbursts well and could potentially malfunction. I've been using PLA and it seems to work just fine so far. In addition to printed files, you will need: - A USB keyboard circuit board (obviously). I used the HP KU-0841, but any working USB keyboard with buttons should suffice. - Screws and nuts: M3 screws, mostly 12 mm and 16 mm long. Sometimes length is crucial, sometimes it's not. M3 nuts M4x20 mm screw (preferably slightly longer) M4 nut (I prefer lock nuts, but they're not necessary) M4x40 mm screw partially without threads (I'm unsure what the real name of those parts are). The smooth part of the screw allows the spring to compress freely. - A spring. Diameter 5-8 mm, unsure about length and thickness as it depends on how much force you want to use to move the arm or handle. I use a ~5.8 mm x 40 mm push spring with a pull spring bought from my local hardware store (Biltema). OR If springs are not available for you, you could try using a rubber band instead. - Wire for obvious reasons. It doesn't need to be thick - even an IDE cable will work. - Main switch: Nickel strip (approximately 4 mm wide) or similar metal material for the printable switch body. OR Limit contact switch from eBay or a similar online retailer. The switch should stay in place with just one screw, but you can use two. Note: You might need to drill bigger holes on the switch. Use a 3 mm drill bit to do it, as bigger bits could damage it. - Handle attachment method: Glue OR Grub/lock screw (M3) (max length around 9 mm) OR Make it a tight fit using other methods Optional: - Push button for Grip.stl/v2-Grip.stl - Second spring for more resistance - Patience - Coffee (tea won't cut it, I'm afraid tea drinkers will be disappointed) - Blanket if you feel cold after the coffee - A healthy dose of skepticism about what I'm doing Tools: - Screwdriver - 3 mm drill bit - Scissors or a similar tool for cutting nickel strip (if using printed switch) - Soldering iron - Multimeter (not necessary, but it may make things with PCB easier)