TV remote jammer
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 and this is the operating principle of our jammer. The circuit is nothing but an astable multivibrator based on NE555 IC. The output of NE555 is amplified using a PNP transistor SK100 to drive the IR LEDs. Not only TV remotes, but any IR remotes operating in the 38KHz frequency region can be also jammed by using this circuit.
Circuit diagram.
Notes.
- The circuit can be assembled on a Vero board.
- Use a 9V PP3 battery for powering the circuit.
- Mount the IC on a holder.
- POT R4 can be adjusted to exactly match the jammer’s frequency to the remotes frequency. This adjustment is very essential for effective jamming.
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i got 45khz at output will my circuit jam it or not?
Please see the note. try adjusting the pot (to adjust the frequency)till it jams the operating remote.
I can make it.This circuit very good working.Thanks for this circuit.
What are the alternatives to the SK-100 transistor?
BD136 2N2905 8550
Hi….my circuit connection is working and i can see the ir led light wit camera but i keep infront of tv means the tv remote is still working ..pls give me idea
What hapens to the circuit when i use 220ohm instead of 180ohm as R5
hi
you can see inferared led,s light whit mobile camera when you push a button on tv remote … i build these circuit but it dosen’t work becuse i can’t see light whit camera and tv remote still working.
Any body know means pls tell me
hi2012 at 1:26 pm
HI-I NEED A CIRCUIT TO TEST SATTELITE RECEIVER EQUPMENT AFTER REPAIR THAT WITHOUT ADJEST DISH BECAUSE I WANT TO FINSH AND TEST IN MY SHOP
aadi
HI-I NEED A CIRCUIT TO TEST SATTELITE RECEIVER EQUPMENT AFTER REPAIR THAT WITHOUT ADJEST DISH BECAUSE I WANT TO FINSH AND TEST IN MY SHOP
kindly tell me how this circuit (remote jammer) having 555 i.c works.
mean;
1 ; how it generate the REQUIRED pulses
2 ; how that pulses cancle out the effect of the t.v IR
THANKS
Hi Shinj use any of the following BEL100P, BEL188, 8550, 2N2905, BD136, BC327
Please give a substitute transistor in the place of SK100
can the ir sensor TSOP 1836 recive this remote jammer ir led signal?????plz reply sir.plzzzzz.
pleas give me universal remote control working remote recever circuit diagram
how can we connect a preset ( variable resistor)
thank’s it working !!!!
Hi Bryce within the room only being IR
what is the wireless range of this circuit
are the leds the antenna
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