There is no question you can save as much as 50% on the cost of batteries for your UPS unit if you choose to go with liquidation, clearance or old batteries. But are you really saving money in the long run? Studies show that if you use new batteries, straight from the supplier, … Continue reading New Batteries Versus Discount Brands
A microcontroller is a small computer on a single integrated circuit containing a processor core, memory and programmable input/output peripherals. Microcontrollers are designed for embedded applications, in comparison to the microprocessors used in personal computers or other general purpose applications. Microcontrollers are used in a wide variety of automatically controlled products and devices. Microcontrollers … Continue reading How to Make an Electric Microcontroller Patch
In a parody of the cult Japanese TV program, “Iron Chef,” here is an excellent video where a live audience at the Exploratorium, in San Francisco, cheer on competitors in a fun science cook-off, where teachers compete for the sought-after title, “Iron Science Teacher.” The Exploratorium’s Iron Science Teacher competition showcases science teachers as … Continue reading Webcast About Great Battery Experiments from Iron Science Teacher
Arduino Pro Mini The Blinking top hat was created by a couple of do-it-yourselfers to give as a gift at their friends’ engagement party. As the hat is tilted it lights up with rotating effects. The blinking top hat combines white LED strips, a small Arduino Pro mini and an accelerometer to obtain the really … Continue reading Make a Blinking Top Hat
This beautiful Moonlit LED flower is simple and inexpensive to make right at home. We will show you how with our basic tutorial on how to sew this soft circuit flower. The first thing you will need to do is to cut, out of your fabric, the petals and a wrapper … Continue reading How to Make a Moonlit LED Flower
Making a scribbling machine is a great way to experiment with the erratic movement of an offset motor. Basically, a Scribbling Machine, is a motorized gadget that moves in erratic ways and leaves a colorful trail which traces its path. A scribbling machine is made from simple materials and demonstrates the erratic motion produced … Continue reading Making a Scribbling Machine
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