5 Simple Infrared Remote Jammer

This circuit can be used to ruin or jam infrared remote signal from TV or sound system. Its use is basically the same as the TV remote jammer, but this one uses only transistor and no IC required.

Remote jammer schematic

Part list:

R1 - 33 ohms 1/4W

R2 - 1 kilo ohms 1/4W

R3 - 10 kilo ohms 1/4W

R4 - 100 kilo ohms 1/4W

R5 -  120 kilo ohms 1/4W

C1 - 22uF electrolytic capacitor rated 10V

C2 - 10nF ceramic capacitor

Q1 - 2N2222A or similar NPN transistor

Q2 - 2N3905 or similar PNP transistor

PB - Push button

BAT - 4.5V battery

LED - Infrared LED (see LED pinouts in case you forgot)

2N3905 pinout

2N2222A pinout

Other Jammer Circuit:

TV remote jammer

FM radio jammer