IR Remote Control Jammer


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Carl 269,403 5 110
Don't like your little brother's TV channel selection? Hate the volume your wife sets the stereo at? Want to just annoy someone? This circuit does all that and more by jamming most IR remote signals. The circuit releases a flood of pulsing IR light that confuses the reciever by corrupting the data stream.

Schematic

This is a schematic of the IR Remote Jammer

Parts

Part
Total Qty.
Description
Substitutions
R11100K 1/4W Resistor
R21150K 1/4W Resistor
R3110K 1/4W Resistor
R411K 1/4W Resistor
R5122 Ohm 1/4W ResistorSee "Notes"
C1110nF Ceramic Disc Capacitor
C211uF Electrolytic Capacitor
D1, D2, D33High Output IR LED
Q112N4403 PNP Transistor
Q212N4401 NPN Transistor
S11Normally Open Momentary Push Botton
B114.5V Battery (Three "AA"'s In Series)
MISC1Wire, Case, Board

Notes

  1. Email Carl with questions, comments, etc.
  2. You may need to adjust the value of R3 for the right frequency. A pot can be used.
  3. You may only need one IR LED.
  4. It goes without saying that this circuit should be used with descretion.
  5. The value of R5 depends on your supply voltage and LED. For a standard 4.5V supply and standard IR LED, use 22 Ohm as specified on the parts list. This forum topic covers this resistor as well as a few other issues with the circuit.

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Comments

Add A Comment

Aamir sohail
IR Remote Jammer
Friday, August 22, 2014 1:13:25 AM
sir i like this kind of project.sir can we use any other kind of transistor instead of this mention above?
RAO ANIQUE
IR Remote Jammer
Tuesday, April 30, 2013 1:10:11 PM
i have made this and its working .... thanks for sharing just want to know if there is any relation for finding the exact values of the variable resistors to be used instead of R3 for a specific frequency.... or a frequency dependent formula you can provide me with the basic calculations ... regards
nobody
IR Remote Jammer
Sunday, April 21, 2013 8:25:05 PM
Would this work in jamming a Sumo Robot's IR sensor?
athul
IR Remote Jammer
Saturday, March 10, 2012 3:56:40 AM
sir, can you please tell me transistor equivalent to those two 2n4403 and 2n4401, because it is currently not available in our city.
Sam
IR Remote Jammer
Sunday, February 26, 2012 5:19:13 PM
Is this model#: CML105M50 from radioshack an appropriate capacitor for C2 in the circuit? And what is the desired ma and voltage specs on the high output ir leds?
wailshire
IR Remote Jammer
Tuesday, June 28, 2011 7:32:01 PM
the projects WORKS!!! just be carefful when connecting the transistors!!! I made a mistake whit Q1, but then i cheked the datasheet ;)
aj
IR Remote Jammer
Thursday, May 05, 2011 6:20:11 PM
Does the jammer really work? I dont mean that in a rude way but i built the jammer and it doesnt work. If it does work than what are the common problems that might be the reason mine doesnt work.Also, is there a variable resistor in the jammer? If so where is it on the shematics? sincerley AJ
Minnesia
IR Remote Jammer
Sunday, April 24, 2011 11:16:20 PM
USE A 10K variable resistor instead of the reg. 10k, this way you can change frequencies instead of having the circuit just set to one. *Also I removed the R1 component because the lights don't even come on unless you do.
xtrobug
IR Remote Jammer
Friday, December 03, 2010 3:55:03 AM
what is the expression for freqency of the circuit
John Cone
IR Remote Jammer
Monday, August 23, 2010 1:45:35 AM
Here is a microcontroller based IR Jammer. I bought the kit version and assembled it in about 15 minutes. It kills everything I have tried it on! Here are the details. http://www.instructables.com/id/IR-Remote-Control-Jammer/ Here is the kit (or you can just make your own from the plans) http://alan-parekh.vstore.ca/ir-jammer-kit-p-116.html
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