PJMonty from SoCalHalloween sure knows how to rig up some great animatronics! The bird and talking skull are funny and spooky at the same time! This project was entered in the Halloween Project Contest, which by the way there is still time to enter. Via: HG Forum "The electronics consist of two custom circuit boards I designed. The bottom one (most of which is obscured) contains the micro-controller and
Piezoelectric elements can be used to make sound or detect sound. Steve Hoefer has made a Knock Lock, which is a device that can listen to knocks on the door. If the sequence of knocks is the same as the recorded knock sequence it unlocks the deadbolt on the door. Steve was the guy who also made the Dice Reading Machine. Via: Zedomax "While working on another project I
Ian from Dangerous Prototypes has made a high tech Multi Color Remote Controlled LED Pumpkin. It uses a remote control to change the inside glow color. Schematics and code are provided so you can make your own. Via: HG Forum. "It uses a minimal PIC 18F2550 circuit that decodes the remote control signals and drives a ShiftBrite color changing LED module. The F2550 is a USB PIC with a
If you have a need for a DIY 30KV power supply have a look at this one that Daniel Eindhoven from megavolts.nl has built! You may have to scrounge for the parts for a few years though since it took 30 microwaves to get the needed parts. If you are thinking that you remember the name you are right, Daniel is also the one who brought us the MV
Kizomox has been working on some great high voltage experiments lately. You may remember the Potato that he Exploded with Defibrillator Capacitor that we featured before. Looks like he has moved way up in power since then! There aren’t very many people who have their personal pole transformer in their back yard. 🙂 Via Article comments.
Ever wonder how those cheap devices at Walmart sense you walking by so they can play the cricket sound or meow like a cat? Have a look at the circuit for these Spooky Halloween Eyes for some details. A slight change in ambient light is all it takes for the small device to "see" that someone is close. "The schematic is quite simple, each of the devices (LED’s, phototransistor,
If you played with a Meccano set when you were younger as I did this MicroRAX mini T-Slot Construction system may bring back some of those construction ideas. I have seen a larger version of this system used in industry for constructing modular systems that are very rigid and simply to modify. It looks like it could be an ideal solution to building a robot platform where the end
