Tony writes – “This circuit will flash a bright or high-brightness red LED (5000+ mcd). Good for fake car alarm or other attention getting device. Component values are not critical, try anything else first from your junkbox.” – Link.
Will wraps up the CNC machine project, he writes – “Back in Part 1, we introduced the basics and started building the electronics. In Part 2, we finished up the controller and started building our machine. Today we complete our unholy marriage of cutting boards and dot matrix printers in Part 3 of How-To: Build […]
Tho writes – “This instrument was built this year, inspired by the one played by Mr. Spock in one of the Star Trek shows a while back. I didn’t want to make just a semi-functional prop, so it was designed with chromatic shifting capability and 2 full octaves (15 strings total) with proper Helmholtz reinforcement […]
I’ve never ordered from here, anyone? Seems like they have a lot of great stuff (check out the catalog) – “Antique Electronic Supply is your source with the largest supply of new old stock and current production vacuum tubes in the world. We also have an enormous supply of parts, supplies and literature for your […]
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MAKE Flickr photo pool member Dan Gavie writes – “Connected to the Involuntary Dance Machine, Daniel Wright had to dance in front of the research into practice conference delegates.” The less you move (and relax) the more it makes you dance – Link & PDF about the project.
Modern Mechanix has another good one from Popular Science 1940, incredibly structures made from toothpicks – Link.
