Getting Time From Internet Using ESP8266 – NTP
Imagine a relay that has to be activated at a certain time or a data logger that has to store values at precise intervals. Let’s… Read More »Getting Time From Internet Using ESP8266 – NTP
Embedded Systems
Working of DHT sensor – DHT11 and DHT22
DHT stands for Digital Humidity and Temperature. The DHT sensor is a low-cost digital sensor for sensing temperature and humidity. This sensor can be easily… Read More »Working of DHT sensor – DHT11 and DHT22
Most common pitfalls in C Programming Language and how to avoid them
Every once in a while, we commit some mistakes and often lose a lot of time and energy correcting them. This is true for programming… Read More »Most common pitfalls in C Programming Language and how to avoid them
Voltage Divider Network
Definition: A series of resistive elements which, when tapped at any point in between, produces a fraction of the voltage applied between its ends, is… Read More »Voltage Divider Network
How to improve readings of Ultrasonic Sensor – Temperature and Humidity Compensation
In our previous post of ultrasonic sensor we understood the working ,applications ,advantages as well as disadvantage. As we know already, in ultrasonic sensor ultrasonic… Read More »How to improve readings of Ultrasonic Sensor – Temperature and Humidity Compensation
Line Follower Robot
A Line Follower Robot uses Infrared sensors to sense a black line or a white line. This post explains the logic used to configure a… Read More »Line Follower Robot
IR Sensor Module
What is an IR module? How does it work ? And most importantly, how can you use it? This post covers it all. An active… Read More »IR Sensor Module
Working of an Ultrasonic Sensor
Ultrasonic sensor’s are those sensors which is mainly used to detect object by measuring the distance of the targeted object by sending sound waves of… Read More »Working of an Ultrasonic Sensor
How to use a Transistor as a Switch
In this tutorial I will show how to use a transistor as a switch. Switching and Amplification are the most common application of a transistor… Read More »How to use a Transistor as a Switch
Automatic Light ON-OFF based on presence of people
It is quite often that we see in homes, office that people leave the lights, lamps and fans in on condition even if it not… Read More »Automatic Light ON-OFF based on presence of people