Looks like the Holux GM-210 GPS unit is a good choice to interface to a microcontroller, the downside is that it doesn’t use a standard RS-232 port. A converter is available to change the existing port to what we need but since it is costly any serious hacker would build their own converter. “The cheapest GPS reciever I could find was the Holux GM-210 unit. It’s a great unit since
Check out this cool Parallel Port Relay Controller Based Halloween Light Show it shows what some creative thinking and a bit of code and hardware can produce. “The most important thing you are gonna need is the controller. There are many out there, but for this tutorial (its easiest and cheapest) we are gonna use the kit74 parallel relay board. 30$, 35$ assembled. This circuit is going to interface
You might not have enough time to build this LED Hat in time for Halloween this year but if you start now you should be finished by next year! It is hard to understand the complexity of this project without thinking about how it works for a few moments… “Okay, so I bought an AVR STK500 programmer board for about £80 from http://uk.farnell.com, which comes with an ATmega16 and an
Got kids cutting through your yard all the time? Is the solution a fence? No way that is what everyone else does and is so yesterday… What a true geek does is builds a Computer Controlled Water Spray System to get the job done! “As you can see I have met a bunch of my goals in prototype 1, I can shoot about 30 feet and can cover a
Have a look at this Talking Halloween Tombstone for a cool spooky Halloween idea. “After putting down the Latex gray base I sprayed the tombstone with American Accent stone effect paint from Home Depot. The above photo was taken before the paint fully dried. After it dried I did loose some movement in the mouth (see video). In the end the use of a latex sheet may have worked out
Check out these Gigantic LED Alarm Clock build instruction and build you very own if you’re like me and fumble around for glasses to see what time it is in the middle of the night. You and your neighbors will always know exactly what time it is without much trouble. 🙂 I think these clocks are the biggest things that these Super Bright LEDs have made!
For about a dollar in parts you can make your own Spooky LED Halloween Eyes! Other than a few things you would have around the house this is all you would need. Resistor Two Red LEDs 9 Volt Battery Snap Crimp Connectors (optional) “The two red LED’s are soldered to speaker wire, and then black taped to two short pieces of coat hanger wire. These are suspended in front of
