The guys at Spark fun made their own reflow with a skillet – “Spark Fun has barely had the capitol to invest in a hot-air rework station, let alone pick and place machines and industrial reflow ovens. Luckily, as business has increased, revenue has allowed us to purchase a few bottom-dollar machines to help with […]
Matthew writes – “There are a lot of LEGO Mindstorms robots out there, but I finally found the best. Nic_1 is a Johnny V impersonator that detects the direction of sound and follows it. Detection is accomplished by calculating the cross-correlation of two audio signals from the binaural sensor. The data is used to estimate […]
This immense 40″ X 80″ cross-stitch recreation of the Sistine Chapel took 10 years for Joanna Lopianowski-Roberts to create. Joanna used 1,809 different color combinations with a total of about 628,296 stitches! Wow! She documents the entire process in her self-published book (on lulu.com) with 45 full color individual patterns for each scene. [ via […]
Matthew writes – “Lately the hoopla concerning LED lighting has been overwhelming. Everyone claims this costs mere pennies to power. I decided to put a new twist on a classic science experiment to prove that LEDs do cost pennies to power. Literally.” This is a great how to on making a battery to power a […]
John has a great round up of some retro computer design – “A working eight bit computer made out of Relays! For some time amateur computer designers have been getting ‘back to basics’ and building their own computer designs with individual TTL logic gates wire wrapped together. One determined experimenter even built his own out […]
MAKE Flickr photo pool member Voxphoto has a 10 year old Kodak digital camera and wants to take photos and post them up on Flickr. Remember these specs? 756×504 resolution (less than 0.4 megapixels), fixed focus, non-zooming lens (42mm equivalent), no LCD view screen, no removable memory (48 images at standard resolution). Oh, the memories! […]
This robot from NTT Communications in Japan uses RFID tags embedded in the floor to figure out where it is, information about the stores and will carry your bags around for you. I suppose if you buy something that also has a RFID tag in it, the robot could suggest something to go with it […]
