| Wireless alarms are everywhere: homes, businesses, and public facilities. But what happens when someone deliberately blocks their signal? Th...
All items tagged with wireless and circuit (6)
| Can a simple medium-wave radio receive shortwave broadcasts? In 2005, Burkhard Kainka answered that question with a creative two-transistor...
| You can learn a lot from old-school projects. Consider this wideband RF signal tracer circuit from 1988. If you're interested in RF technolo...
| STMicroelectronics and WiTricity, an industry pioneer in wireless power transfer over distance, today announced their design collaboration t...
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| Here are two circuits that make it possible to add up to eight detectors to an existing alarm system without running a single cable. Each tr...
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| If a PIC is used for example in a timer application, such as a programmable clock timer, the majority of the circuit is taken up by the us...