Devices that react to variations in atmosphere or fluid heat are simple to construct due to the easy availability of thermistors. This car ice warning circuit explains how to implement a thermistor … [Read more...] about Ice Warning Circuit for Automobiles
Comparator Circuits using IC 741, IC 311, IC 339
The basic function of a comparator circuit to compare two voltage levels at its input pins and produce an output to show which input voltage has higher potential than the other. In this article we … [Read more...] about Comparator Circuits using IC 741, IC 311, IC 339
4 Simple Clap Switch Circuits [Tested]
The clap switch circuits explained here will toggle a connected load ON and OFF in response to alternate clap sounds? Here we discuss 4 unique and simple designs which can be selected as per user … [Read more...] about 4 Simple Clap Switch Circuits [Tested]
4 Simple Motion Detector Circuits using PIR
A PIR motion sensor alarm is a device which detects the infrared radiation from a moving human body and triggers an an audible alarm. The post discuses 4 simple motion detector circuits using op … [Read more...] about 4 Simple Motion Detector Circuits using PIR
Remote Control Tester Circuit
We all use remote control handsets for controlling various household devices such as TV, AC, Music systems, curtains etc, and sometimes we seem to have problems with these devices, or even a newly … [Read more...] about Remote Control Tester Circuit
18650 2600mAh Battery Datasheet and Working
In this article we will try to understand the main specifications and datasheet of the Li-Ion cell 18650 2600 mAh, which is one of the most popular Li-ion batteries, and preferred by all electronic … [Read more...] about 18650 2600mAh Battery Datasheet and Working