Seeing RFID on the cheap
The folks at BERG developed this neat method for visualizing the sensitivity of an RFID reader.
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LED dog collar with keyboard keys
With the days getting darker earlier, I’ve been on the search for collar visibility options for my canine companion. Instructables user sheepishlion posted a clever DIY for making an LED dog collar with the extra bling of old keyboard keys. They used the keys to spell out the dog’s name, along with the “return” and […]
Matchbox collision photography
From the MAKE Flickr pool For the first assignment of his Intro to Physical Computing class, Greg rigged up a couple of conductive matchbox cars to act as a switch – lighting their moment of impact. Read more over at Ideas for Dozens.
Cree emitter LED flash/video light for iPhone 3GS
This quick and dirty improvised iPhone flash/video light from Andreas Ødegård consists of a 3V battery and a high intensity Cree emitter.
Flashback: LED Hula Hoop
In the spirit of our “Teach Your Family to Solder” week, the flashback I’m offering up this week is from the pages of our sister publication, CRAFT. Brookelynn Morris’ LED Hula Hoop project from CRAFT Volume 06 is a super fun project to practice your mad soldering skillz. It’s fully suitable for peeps who have […]
Super learn-to-solder roundup
I love to solder. I’ve found it to be a surprisingly relaxing and very rewarding process that opens up a world of practical and creative abilities. But before I knew the basic tips & tricks of the craft, soldering was something I only did out of pure necessity (and often with a good deal of […]
Spare parts Enterprise boldy goes …
From the MAKE Flickr pool … where no LED has gone before. Observe the maiden voyage of a tiny space-faring ship. Upon encountering the above-seen “magnetic anomaly” the ship’s onboard magnetic reed switch is activated. Chief engineer Origamiwolf explains the ship’s schematics – A resistor is added to each of the red LED branches; this […]
