The post explains a simple knock activated door security alarm circuit which can be installed by anybody for identifying a guest or an intruder at the door. The idea was […]
How to Make a Soil Moisture Tester Circuit with a Single IC 741
A very simple mud or soil moisture tester circuit can be built by using a single opamp and a few passive components, let’s learn the details through the following article. […]
LM35 Pinout, Datasheet, Application Circuit
The post explains how to make an LM35 application circuit by understanding its datasheet, pinouts and other technical specifications. By: SS kopparthy LM35 Main Specifications The IC LM35 is a […]
2 Simple Light to Frequency Converter Projects for Transforming Light into Pulses
In this article we are going to see what is a light to frequency converter circuit, how it works, how to use it in a project, and its specifications. […]
Obstacle Avoiding Robot Circuit without Microcontroller
The post explains a simple obstacle avoiding robot circuit without microcontroller and without using special motor driver circuits or ICs. The idea was requested by Mr. Faiyyaz The Design Basically […]
How Flex Resistors Work and how to Interface it with Arduino for Practical Implementation
电子热忱。siasts we may come across many kinds of resistors, from small fixed resistor to high current bulk rheostat. There are humongous classifications among resistors, but here we will […]





