Coffee powered Car-puccino

We can only imagine how amazing this coffee burning car smells at it speeds down the highway at a maximum of 60mph. Don’t jump out of your seat so quick to get your own, while the idea sounds fantastic, the mileage will bring you back to earth rather quick. At 3 miles per kilo of coffee, it can turn that … Read the rest

50MHz to 100Mhz scope conversion

[Ross] is the proud owner of a 50 MHz Rigol DS1052E oscilloscope. He’d like to have the 100 MHz version but the $400 difference in price puts it out of his reach. After some extensive poking around on the PCB and pouring over datasheets, he managed to reverse engineer the design and upgrade to a 100 MHz version. This … Read the rest

Jeri makes integrated circuits

[Jeri Ellsworth] made this silicon inverter at home, by hand. It took her two years to get the process figured out and achieve something we didn’t think was possible. The complexity of manufacture, and the wide range of tools and materials needed seem insurmountable but she did it anyway. Her home chip fab Flickr set is well commented and … Read the rest

Noisy Super 8

[Matt Kemp] remade this super 8 film camera into a synthesizer. Inside you’ll find a light sensor pointed through the lens. This way, zooming, focusing, and pointing the lens elsewhere will change the sound. He also refit the original controls to monkey with the output. Turn your speakers up when you watch this, your co-workers will love you for … Read the rest

Game glove learns your weakness

[Steve Hoefer] pulled together a great hack for the friendless. This glove will play a heated game of rock-paper-scissors against you. [Steve] realized that the middle and fourth fingers are all that need to be monitored to decide which of the three signs you are making. He used flex sensors on the back of these fingers as an input. There … Read the rest

R2D2 build video

Follow along with [Victor] through the journey of building a life size replica of R2D2. While you may not be able to scrape too many specific details from the video, it is still great to see the project progress from his first cut to the finished product as well as some fun little outings. His R2 looks absolutely impeccable … Read the rest