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Home  >  Volume 30 (2015)

Design and Construction of Remote Control for Lighting System Using Infra Red by T.O. Daniel and D. Ochola, pp 367 – 372
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The study investigates the design, construction and testing of a lighting system using infra-red remote control. A single channel remote control is used to control the switching of alighting system connected to the output of an Infra-red receiver.  An Infra-red beam is modulated by an oscillator (NE 555 timer IC) and transmitted to a remote sensor (TSOP1738). This signal is amplified by a transistor (BC 558) and then delivered to the decade counter (CD 4017 IC) via its clock input terminal. The transistor output is fed to an electro-mechanical relay which does the switching of the load. The system is found to be effective and operational within the range of 0.01 m to 10 .05 m in accordance with the design specifications.