Thanks to all of you who posted great explanations in the comments of yesterday’s post about a dubious way to make a metal detector from an AM radio and a calculator. Mahto submitted his trial video first (shown above), and he gets a Make pocket ref! Some notable comments: Nick Clark writes: AM radio operates […]
Mike writes – i would like to suggest this site, which presents an advanced infrared hacking tool, using a simple AVR, has a learning function and 2mb of flash for learned tv remote codes. It even has an usb port, all in software on the AVR (no special usb chip required)! An uber TV-B-Gone with […]
Here’s Hack #21, Highlight Every Other Row or Column, from David and Raina Hawley’s Excel Hacks, 2nd Edition. Millions of users create and share Excel spreadsheets every day, but few go deeply enough to learn the techniques that will make their work much easier. Yet there are many ways to take advantage of Excel’s sophisticated […]
Design news latest “Gadget Freak” has a DIY security system that will call you when something is up… – Gadget Freak Bill Bowden has created a security system that calls you when an alarm is triggered. You can set it up to indicate intrusion into a door, window, office or pool. It can also connect […]
From the MAKE Flickr pool Member Spikenzie etched his own 8×8 LED matrix PCB. He’s also posted helpful instructions and artwork used in his process – The 8×8 LED matrix is a building block. There is no processor or circuitry other then then LEDs and the copper traces. It is simply an eight by eight […]
Alejandro sent in this very cool device for making physical screen captures of a computer display. The web site has a nice video of the device in action. Just don’t forget to stockpile your Polaroid film since it’s not going to be around after this year! The Polaroid sheet camera uses the basic principle of […]
Todd Stiers has made one awesome looking, and sounding, electric motorcycle. Let’s hope this becomes more of a “normal” thing to see riding around the streets. Now, let the debate about the batteries and the source of power begin. – Link Related: Make Podcast: Todd Kollin’s Electric Motorcycle – Link Marque Cornblatt – DIY Electric […]
