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Monday, April 8, 2024

RF Jammer with 555

 

Cell Phone Signal Jammer using 555 Timer IC– In this tutorial, you will learn how to make your own low-cost Cell Phone Signal Jammer using the NE555 Timer IC and some other electronic components.  This is only for educational purposes and that’s the reason this Cell Phone Signal Jammer has a small range.

Before you start building this project make sure you have the basic knowledge about the 555 Timer ICTransistorsCapacitors, and Resistors.

Components needed for the Cell Phone Signal Jammer:

NE555 Timer IC

BF495 Transistor

2PF Ceramic Capacitor

4.7PF Ceramic Capacitor

3.3PF Ceramic Capacitor

47PF Ceramic Capacitor

30PF Variable / Trimmer Capacitor

1uF 63V Electrolytic Capacitor

10K Resistor

6.8K Resistor

82K Resistor

220E Resistor

5.6K Resistor

24 AWG Copper Wire

3 Pin Mini Slide Switch (SPDT)

3mm LED (Green)

2Pin Male Header Connector

9V Battery Connector

9V Battery


Cell Phone Signal Jammer PCB board:

Cell Phone Signal Jammer

Components Placement “Silkscreen”:

Cell Phone Signal Jammer

Cell Phone Jammer Making:

First Coil-  4 turns 5mm of 24 AWG wire. I used a screw driver of making this coil.

Cell Phone Signal Jammer

Second Coil- 3 turns 5mm of 24 AWG wire.

Cell Phone Signal Jammer

Third Coil- 15 turns 5mm of 24 AWG wire.

Cell Phone Signal Jammer


Cell phone Jammer PCB board:

For the PCB design transferring, Etching, and Drilling watch my video tutorial.

Cell Phone Signal Jammer

After fixing all the electronic components, finally, I completed the soldering. I doubled checked all my connections using a digital Multimeter, and luckily there were no solder bridges.

Cell Phone Signal Jammer




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