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So you’ve got a broken gear for you model helicopter, and don’t have a 3d printer handy. If you need your little helo flying right away, [James] wrote in to tell us about his solution. As you may have guessed from the title, he made a tiny mould and produced a copy of the gear [...]

Tags:  helicopter moulding gear james micro-helicopter model-helicopter 3d-printer toy hacks  

If you’re running your own recording studio, you’re going to need a lot of gear that seems excessively esoteric to the non-musically inclined. A rack full of synth gear looks just like any other cabinet of technology you would find in a server room. Electronic music is, for the most part, very utilitarian looking, but [...]

Tags:  spring gear diy server-room reverb recording-studio musical hacks  

[Iron Jungle] just finished building this gear indicator for his motorcycle. It uses a red 7-segment display to show the rider what gear is currently engaged. This hack is pretty common and makes us wonder why all motorcycles don’t come standard with the feature? But then again, if they did you wouldn’t have a reason [...]

Tags:  v-strom gear indicator suzuki-v-strom gear-indicator jungle transportation hacks  

[Julian] was rummaging through a military surplus store when he spotted a pair of old helicopter pilot helmets that he absolutely had to have. At $25 they were a steal, but pretty useless in their current state. He decided to modify one of the helmets for use while playing video games, but he didn’t stop [...]

Tags:  surplus store gear julian military-surplus-store pilot-helmets helicopter-pilot misc hacks  

This is a multifunction too for measuring radiation (translated). The measurements center around gas discharge tubes that react when ionizing particles pass through them. After reading about the counting circuit for the pair of tubes used in this handheld it’s easy to understand why these are tricky to calibrate. The handheld features a real-time clock [...]

Tags:  test gear radiation gas-discharge-tubes real-time-clock radiation-test tool hacks  

[Gerry O'Brien] tackled his most recent project, designing a flash ROM cartridge for the Sega Game Gear, with great success. Above you can see the test rig he used to reverse engineer the communications between an original ROM chip and the circuit board that it came on. He removed the chip, soldered a ZIF socket [...]

Tags:  game gear sega gerry-obrien sega-game-gear test-rig zif-socket handhelds hacks  

This little board serves as a current gear indicator for a motorcycle. It was designed with the Suzuki V-Storm motorcycles in mind as they have a sensor built into the gearbox. Other gear indicators rely on sensors on the shifters themselves, but reading the voltage level from a gearbox sensor gives much more reliable information. [...]

Tags:  motorcycle gear indicator suzuki suzuki-v-storm suzuki-motorcycle gear-indicator transportation hacks  

[Vassilis Papanikolaou] just finished building a gear indicator for a motorcycle. This quite a simple implementation compared to some of the other vehicle information displays we’ve taken a look at. You should be able to build and install your own without breaking the bank. An ATtiny25 microcontroller reads data from a couple of hall effect sensors [...]

Tags:  motorcycle gear indicator hall-effect-sensors gear-indicator information-displays transportation hacks  

[Ben] bought a remote starter for his car but needed a way to make sure the manual transmission was in neutral when starting. He built this infrared sensor frame to detect the position of the stick. It uses four beam paths which will tell him the exact gear or neutral position of the shifter. For [...]

Tags:  transmission gear sensor ben infrared-sensor remote-starter neutral-position transportation hacks  

Hackaday writer of yore [Will O'Brien] has been working on this hardware for his motorcycle. Speed, voltage, gear, and temperature data is displayed on a 16×2 character LCD. The speed is pulled from the bike itself and the gear is calculated by comparing engine RPM to wheel RPM. He’s using the popular DS1820 1-wire temp [...]

Tags:  rpm motorcycle gear ds1820 character-lcd o-brien transportation hacks  

[Kris Reed] developed this robotic appendage as a follow-up to his original prototype. He printed it using Alumide which is a printable material with aluminum dust mixed into it. [Kris'] design utilizes three gear types; large gear, small gear, and worm gear. The motors are mounted on the middle portion of the assembly and offer [...]

Tags:  kris appendage gear aluminum-dust printable-material worm-gear robots hacks