How on earth could a single transistor form the heart of a radio receiver with enough sensitivity and selectivity to be useful, you ask? The answer lies in an extremely clever circuit: the ...

In this how-to we design a USB infrared receiver that imitates a common protocol supported by software for Windows, Linux, and Mac. We’ve got a full guide to the protocol plus schematics and a ...

A research team led by Dr. Sunghoon Hur of the Electronic and Hybrid Materials Research Center at the Korea Institute of ...