Month: May 2013

DIY Space Exploration Takes Flight

DIY Space Exploration Takes Flight

I visited the Citizen Astronaut and Space Hacker Workshop in Silicon Valley this weekend, hosted by Hacker Dojo, to see whatโ€™s new and exciting in DIY space stuff. This much is clear after just the first day: If you haven’t explored it before, now is the time to start looking in to sending your experiments into the mesosphere (and beyond).

Iain Sharp’s Treasure Chest Synth

Iain Sharp’s Treasure Chest Synth

Iain Sharp of Lushprojects built this sweet treasure chest synth by adding the boards of his LushOne Synth and LushOne Contour kits to a “treasure chest” jewelry box. Last year my girlfriend’s parents uttered the dreaded phrase “we’re clearing out your stuff”. As a result we acquired a large number of music mags (sold to […]

Irrigating Your Garden With an Op Amp

Irrigating Your Garden With an Op Amp

Instructables user diy_bloke built this op-amp controlled pump for his garden, using the classic 741 operational amplifier. He wrote a very detailed how-to including showing how to etch a PCB, as well as how to make a humidity sensor out of gypsum: The simplest form of a soil humidity sensor is made from two galvanized […]

HYREL 3D Printers

HYREL 3D Printers

Daniel Hutchinson of Alpharetta, GA, is the front man for Atlanta-based HYREL 3D, a startup launched in November through a highly successful Kickstarter campaign. The idea behind their HighlY-RELiable 3D printer design is to provide an open-platform fused-filament system that does not cost as much as “industrial” machines, but requires less assembly and maintenance time than kit-based machines.