5 channel radio remote control

admin July 27, 2011 98 Comments

TX-2B / RX / 2B  5 channel radio remote control. This article is about a simple 5 channel radio remote control circuit based on ICs TX-2B and RX-2B from Silan Semiconductors. TX-2B / RX-2B is a remote encoder decoder...
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Remote Control Circuit Through RF Without Microcontroller

Nidheej January 3, 2011 75 Comments

Remote Control Circuit Through Radio Frequency Without Microcontroller Description This is a simple type remote control by using RF communication without microcontroller. In this project a remote has been designed for various home appliances like television, fan, lights, etc....
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FM remote Encoder/Decoder

jacky April 22, 2010 23 Comments

Description. Here is the circuit diagram of an FM remote encoder/decoder using the ICs RF600E and RF600D. These devices are designed to provide a high level of security and operates from anything between 2 to 6.6V DC. Various electronic...
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Telephone operated remote

john December 15, 2009 32 Comments

Description. The circuit given below is of a telephone operated DTMF remote. The circuit can be used to switch up to 9 devices using the keys 0 to 9 of the telephone. Digit 0 is used to switch the...
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TV remote jammer

john August 27, 2009 42 Comments

Description. Here is the circuit diagram of simple but highly effective TV remote jammer circuit. Most of the TV remotes have 38KHz operating frequency. A flood of IR beams in the same frequency can easily confuse the TV receiver...
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Ultrasonic switch

john July 25, 2011 40 Comments

Description. A different type of remote control circuit employing ultrasonic signals is given here. The transmitter part of the circuit is build around IC1(NE 555).The IC1 is wired as an astable multi vibrator operating at 40KHz.The output of IC1...
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Remote controlled appliance switch circuit

admin January 21, 2014 107 Comments

Description. Here is a versatile remote controlled appliance switch that can ON or OFF any appliance connected to it using a TV remote.  IR remote sensor IC TSOP 1738 is used for recieving the signal. Normally when no signal...
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1KHz IR transmitter circuit.

jacky January 30, 2012 19 Comments

Description. This circuit was designed in response to a request from my reader. What he asked for was a 1KHz IR transmitter circuit for some remote control application. I think this circuit may satisfy him. Any way this circuit...
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Remote toggle switch circuit

admin November 15, 2011 10 Comments

Description. In application level this circuit is similar to that of the circuit given previously. The only difference is in the approach. This circuit is designed by using another method. Using this circuit you can toggle any electrical appliance...
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IR to RF converter circuit.

admin May 18, 2009 23 Comments

Description. The IR to RF transmitter circuit given here can convert the IR signals from your remote to RF signals to long distances. The circuit given here is a good one for extending the range of your IR remote.Also...
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