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blueShift  An OpenXC LED Tachometer

blueShift An OpenXC LED Tachometer

Inside the custom 3D printed housing Pete Mills built a LED Tachometer which gets engine data from a Open XC ODB2 module via bluetooth. It is looking for RPM and headlight status data from the module to update the user display.

Published: October 17th, 2014

DIY LM1876 Audio Amplifier Project

DIY LM1876 Audio Amplifier Project

Our friends over at Electro Labs has a new project out, it is a DIY LM1876 Audio Amplifier Project. As usual it is a start to finish project that has full details so you can build your own.

Published: October 17th, 2014

U.S. Navy Autonomous Swarm Robot Boat

U.S. Navy Autonomous Swarm Robot Boat

The U. S. Navy is developing Autonomous Swarm Robot Boats. These boats are outfitted with Control Architecture for Robotic Agent Command and Sensing (CARACaS), this technology was developed by NASA for the Mars rover.

Published: October 12th, 2014

Robo-Dog made from Scrap Electronics

Robo-Dog made from Scrap Electronics

At a glance this Robo Dog by M. C. Langer looks like something you might find in the toy section of your local department store. Check out the parts below that went into the building of it.

Published: October 10th, 2014

Plot Clock

Plot Clock

This is a cool plot clock made by Francisco Ramos Mu?oz. It uses 3 mini servo motors, one to move the draw/erase mechanism up and down and two to move the print location.

Published: October 10th, 2014

Acoustic Impulse Marker

Acoustic Impulse Marker

This Acoustic Impulse Marker project by Adam Wrobel and Michael Grisanti of Cornell University uses 3 microphones to listen for sharp sounds, when a sound is detected the arrival time of the sound to each of the 3 microphones is used to determine where the sound came from.

Published: October 10th, 2014

Singing Halloween Pumpkins

Singing Halloween Pumpkins

If you want to make a memorable Halloween Display have a look at these Singing Halloween Pumpkins by davidandora. A video projector is used to shine images onto the fronts of the pumpkins in such a way that it looks like they have been carved.

Published: October 3rd, 2014

Bitx20 V3 Dead Bug Style Bandpass Filter

Bitx20 V3 Dead Bug Style Bandpass Filter

  Check out this Dead Bug Style Bandpass Filter design by PA1ED. If you want great noise isolation a metal box is ideal, check out his FR4 box design! Great idea using FR4 for the PCBs and for the case.

Published: October 3rd, 2014

Murata Cheerleaders

Murata Cheerleaders

  Murata is always pushing the envelope when it comes to demonstrating their technology in action. You probably remember the close up look we got of the technology behind Murata Girl and Murata Boy.

Published: October 3rd, 2014

Etch a Sketch Clock

Etch a Sketch Clock

This Etch a Sketch Clock is a great use of an old toy! I use an Arduino driving two very cheap darlington stepper drivers with 64:1 internally reduced steppers for the drawing.

Published: October 3rd, 2014


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