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“The IR Remote Control Detective decodes the signal from several common types of infrared remote control, such as audio, TV, and hobbyist remote controls. To use it you point a remote control at the receiver and press a key; it …
“Scientists directly see how the atoms in a magnesium-based battery fit into the structure of electrodes. The Science Next-generation batteries based on magnesium rather than lithium ions hold promise to be more efficient, safer, and cheaper. One electrode is metallic …
“Controlling things using gesture is always exciting and fun but, with the sensors available in the market for recognizing gestures are pretty costly. So how can we make a simple gesture control using few dollars? Well, IR sensors when used …
“Solar cells convert light to electricity. Image sensors also convert light to electricity. If you could do them both at the same time in the same chip, you’d have the makings of a self-powered camera. Engineers at University of …
“In this Instructable I am going to show you how to make super bright, very sturdy, properly cooled, variable brightness, accurate color producing LED PANEL for photography, video work or any general lighting. This LED panel’s design focuses on …
“Of all the many types of receivers that have been designed the super net, invented by Arm- strong in 1918, is almost the only type in common commercial use today. This applies as much to transistors as it does to …
“Metamaterial device controls transmission and reflection of acoustic waves Metamaterials researchers at Duke University have demonstrated the design and construction of a thin material that can control the redirection and reflection of sound waves with almost perfect efficiency. While many …
“In Book I of ” practical Transistor Audio Amplifiers ” .I dealt with the basic principles lnvolved rn transistor A.F. amplifier desien ind the practical examples given w&e maintv limiteO to slngle stages. In this second book the-situation rs reversed …
“The rapidity with which new components have appeared on the home constructor-market in recent months has been pleasantly surprising. It seems that,manufacturers are beginning to take new interest in this outlet for their products. In the field of transistors …
“The transistor circuits manual series has proved so popular that in this, the fifth in the series, the page size has been doubled. This makes it possible to give larger and clearer circuit diagrams than before and it also means …