Inventions can help physically-challenged people lead life with fewer difficulties. Mohd Thamrin, Rosman R. and Sarmawi D. S. of UiTM Shah Alam Malaysia studied the use of inexpensive RF transmitters ...
It is often required to switch electrical appliances from a distance without being a direct line of sight between the transmitter and receiver. As you may well know, an RF based wireless remote ...
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