October 2014

Can Crusher Project Build

  If you need to crush a bunch of aluminum cans you might as well build a machine to do it. That is what we see on the Ben Heck Show here. After Ben bent through a bunch of design submissions a cool design was selected. A single stepper motor crushes a can with a 30 to one gear reduction it can crush the can but isn’t able to crush

Halloween UFO Project

  People who visit the house of Andrew Wyatt will have a surprise when they see his Halloween UFO Project! It comes to life using cardboard, tape, tinfoil, 8mm Diffused neopixels from Adafruit and an Arduino.  

Free Fun Flexible Watch

     Check out the F*watch! It is a Free Fun Flexible Watch design by a team of 15 people with various backgrounds, the watch is a challenging project since in the end it can’t be the size of a lunch box, can’t weigh a pound and can’t be plugged into the wall for power. All of the electronics fit into a tiny printed housing and looks very functional.  Check

Fast Charging Batteries that last 20 Years?

    Apple is famous for making nice looking products that are practically sealed for life even though many of us consider the internal battery a serviceable part. Having to access batteries for occasional replacement might be a thing of the past. Also planning to charge items is currently something that revolves around many things, you probably plan to charge your phone while you sleep, your electric car gets topped

Capacitive Fluid Level Sensor

  If you need to determine the level of fluid you might think of some type of float switch system like what is typically used in a sump pit or a toilet tank. This Capacitive Fluid Level Sensor by dragonator uses a capacitive effect of the fluid to determine the level. “The advantage of capacitive level sensors is that they can be used for basically any solid and liquid. They

 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. “This is an audio power amplifier based on LM1876 which can deliver up to 20W per channel into 4 or 8 ohm load and guarantees less than 0.1% THD + N

AirWick Freshmatic Teardown - Bypass Protection Method

    You probably have a few of these AirWick Freshmatic room fragrance sprayers in your house. One thing I noticed on the packaging was it could only be used with AirWick refills. I was curious how they could tell the difference between Airwick and generic refill canisters. Turns out there is a Vishay TCNT2000 Reflective Optical Sensor that is at the heart of their protection scheme. It simply looks