In this video tutorial, I show you step by step how you can make a simple mobile phone call detector.

This video tutorial is sponsored by JLC PCBsThey provide quality PCBs for under $2. 

Mobile Call Detector JLCPCB.jpg

In this video tutorial, I am going to show you the steps to make a cell phone call detector circuit using IC3130A.

Thanks for watching! If you have any difficulties, please comment below.

 Hardware Required

  • Mobile Call Detector PCB
  • CA3130 IC with Base
  • 100uf Electrolytic Capacitor
  • 47pf Ceramic Capacitor
  • 0.22uf Ceramic Capacitor
  • BC458 NPN Transistor
  • LED
  • 1K Resistor
  • 100K Resistor
  • 2.2M Resistor 2x
  • 9V Battery
  • Battery Clip

Project Steps

  • Follow these steps to create your project:
  • Solder IC base CA3130 in place 
  • Solder All Capacitors: C1 C2 C3
  • Solder All Resistors: R1 R2 R3
  • Solder BC548 Transistor
  • Solder Output LED and Input Power Connector 9V

Then you can test the project!

Mobile Phone Detector.png
Circuit DIY