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Showing posts from November, 2012

Remote Control for PC..!!

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Do u watch lot of movies on your PC, ever thought of having a remote control so that you can sit far and enjoy the movies... read further Lot of IR receiver devices are available online for purchase.. But what is you are not able to spend thousands for them.. Here a simple Do It Yourself IR receiver is explained.. BASIC NEEDS 1. Some soldering skills 2. Few electronic components 3. Backpanel RS232 serial port or internal serial header on motherboard. 4. WinLIRC freeware  ( http://winlirc.sourceforge.net/ ) Almost all motherboards have serial ports on backpanel or Serial header on motherboard. In domestic uses these ports are never used..  So we use this port for the communication part. Use can use any remote at your household (TV, DVD player, TV tuner remotes etc.) HARDWARE PART 1. CIRCUIT DIAGRAM 2. EXPLANATION   Sensor SM0038 is a common purpose IR signal detector centered at std 38khz range. We provide a stable 5v supply to it using LM7805 voltage regula