Remote Control Your Computer

Envision a scenario where one is comfortably reading a favorite novel while enjoying music on a computer. Suddenly, the desire arises to skip the current song or pause the MP3 player. An infrared software solution is available that decodes electrical signals and controls the media player. Actions can include "moving to the next song" or "changing the volume." The core component of this circuit is the TSOP-1738 infrared detector chip, which detects infrared signals from a remote control and generates electrical pulses at its output pin. These pulses are transmitted to the computer via the DCD pin of the serial port. The DCD, RST, and GND connections of the circuit are linked to the corresponding pins of a SUB-D connector using a 1-meter long wire. This SUB-D connector must be connected to the computer's Serial/COM port. It is important to note that both the 78L05 and L7805 are 5V voltage regulator chips, but their pin configurations differ. Either voltage regulator can be utilized as long as the connections are made correctly. After assembling the infrared detector circuit, infrared software is required to control various applications. The IR POWER infrared software can be downloaded to remotely manage programs such as MP3 players, media players, and PowerPoint presentations. The content on the website is protected by copyright, intended for personal use only, and cannot be used for commercial purposes without written permission. Users are advised to utilize the information at their own risk, as it is provided without any warranty or guarantee. It is recommended to read the copyright and disclaimer notice thoroughly.

The infrared remote control circuit described utilizes the TSOP-1738 infrared detector, which is designed to receive modulated infrared signals typically emitted by remote controls. The TSOP-1738 operates at a carrier frequency of 38 kHz, making it suitable for various consumer electronics applications. When the infrared signal is detected, the chip outputs a digital signal, which can be processed by a microcontroller or sent directly to a computer.

In this setup, the DCD pin of the serial port serves as the input for the output from the TSOP-1738. This allows the computer to interpret the incoming signals as commands to control media playback. The use of a SUB-D connector ensures a reliable physical connection to the computer's serial port, facilitating the transfer of these control signals.

The circuit's power supply is managed by either the 78L05 or L7805 voltage regulator, both of which provide a stable 5V output necessary for the operation of the TSOP-1738 and any additional circuitry. Proper attention must be paid to the pin configurations of these regulators to ensure correct functionality.

To implement this system, users must download and install the IR POWER software, which is specifically designed to recognize the signals emitted by the infrared remote and map them to corresponding actions in various applications. This flexibility allows users to customize their experience, enhancing interaction with multimedia software on their computer.

The overall design emphasizes simplicity and functionality, making it accessible for users looking to create a remote control interface for their computer without extensive technical knowledge. The combination of the infrared detector, voltage regulation, and software control creates a comprehensive solution for enhancing multimedia experiences.Imagine you are relaxing and reading your favorite novel while listening to music on your computer, suddenly you want to skip the current song or want to pause your mp3 player. Infrared Software : This decodes the electrical signals and takes action to controls your program (like mp3 player etc).

The action can be any thing like "moving to next so ng" or "changing volume" etc. Heart of the circuit is TSOP-1738 infrared detector chip. TSOP-1738 detects infrared signals generated by your remote and generates electrical pulses on its out pin. These electrical pulses finally goes into your computer via serial port`s DCD pin. DCD, RST and GND of the circuit is connected to respective pins of SUB-D connector using 1m long wire.

SUB-D connector should be connected to your computer`s Serial/COM port. Please note that both 78L05 and L7805 are 5V voltage regulator chip but their in/out pin positions are different. Any of the voltage regulator chip can be used provided proper connections are made. After your Infrared detector circuit is ready you need Infrared software to control your programs. You can download IR POWER infrared software from to remote control your programs like mp3 player, media player, power-point presentation etc.

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