Today we are going to demonstrate a project on a “multidirectional seismic sensor” circuit. A “seismic sensor” is a device used to measure ground movement when it is shaken by an annoyance. The circuit is … Read more
ca3140
In this project, we are demonstrating a circuit of Cold Sensor Switch utilizing LM35 IC and CA3140 ICs. The circuit can be utilized for detecting cold in any area or under any condition. It tends … Read more
Cold Sensor Switch Using LM35 & CA3140
In this project, we are demonstrating the FM Field Strength Meter or RF detector circuit. This is a project of exceptionally sensitive FM field strength meters or we can likewise say them RF detectors. A … Read more
Sensitive FM Field Strength Meter Or RF Detector
In this DIY, we are going to demonstrate a project on a long-range cell phone detector. This project is an exceptionally sensitive long-distance cellphone detector circuit that can detect cell phone signals from 30 to … Read more
Long Range Cell Phone Detector with CA3140 IC
In this tutorial, we are demonstrating a project on a Mobile Phone Detector. The mobile phone detectors are generally pocket-size versatile transmission detectors. It can detect the presence of an activated mobile phone. This is … Read more
Mobile Phone Detector using CA3140 & 555 Timer
In this DIY, we are going to demonstrate Cell Phone Call & SMS Alerter Circuit. The figure shows a project of mobile phone calls and SMS alert circuits. A few times we can’t hear the … Read more