Basic & Recent Technological Updates

Technology
Arduino Specific Statements

Changing the Mode of Operation of Pins: pinMode(pin, mode)           Used in void setup() to configure a specified pin to behave either as an INPUT or an OUTPUT. pinMode(pin, OUTPUT);                   // sets ‘pin’ to output           Arduino digital pins default to inputs, so they don’t need to […]

Technology
Arduino Programming Concepts

Structure of Arduino Program           The basic structure of the Arduino programming language is fairly simple and runs in at least two parts. These two required parts, or functions, enclose blocks of statements. void setup() { statements: }   void loop() { statements; }           Where, setup() […]

Technology
Arduino IDE Installation

          After learning about the main parts of the Arduino UNO board, we are ready to learn how to set up the Arduino IDE. Once we learn this, we will be ready to upload our program on the Arduino board. In this section, we will learn in easy steps, how to […]

Technology
Arduino Uno Basics

Arduino Overview           Arduino is a prototype platform (open-source) based on easy-to-use hardware and software. It consists of a  circuit board,  which can be programed  (referred to as a microcontroller), and a ready-made software called Arduino IDE (Integrated Development Environment), which is used to write and upload the computer code to […]

Technology
IR Receiver

TSOP 1738 IR Receiver           TSOP17XX is a commonly used IR receiver for Infrared PCM remote control systems. It is used in TVs, DVD Players, Burglar Alarms, etc. This component is built with PIN Diode, Preamplifier and internal filter for PCM (Pulse Code Modulation) frequency, and its epoxy package is designed […]

Technology
Light Emitting Diode (LED)

          An LED or a Light Emitting Diode is a semiconductor device that emits light due to the Electroluminescence effect. An LED is basically a PN Junction Diode, which emits light when forward biased.           Light Emitting Diodes are almost everywhere. You can find LEDs in Cars, […]

Technology
Laser Diode

          A Laser Diode is a semiconductor device similar to a light-emitting diode (LED). It uses a p-n junction to emit coherent light in which all the waves are at the same frequency and phase. This coherent light is produced by the laser diode using a process termed as “Light Amplification […]

Downloads
Weblinks & Model Questions for Online Quiz

1. Download Web links for Online Quiz : https://drive.google.com/file/d/14caEGun0uSaEHrD6UcK2meNL6S41OiWF/view?usp=sharing   2. Download Model Questions – Quiz 1 (6th – 8th Std) : https://drive.google.com/file/d/10eizjdL-tWmtjVMRN7Z44xMlD2qHsQV4/view?usp=sharing   3. Download Model Questions – Quiz 3 (11th & 12th Std) : https://drive.google.com/file/d/1zS_vLuvaGOk-9RU6vZGOlc5mBo9O6E1e/view?usp=sharing  

Technology
Bluetooth Module HC-05

What is Bluetooth?          Bluetooth is short-range communication technology. The Bluetooth name is taken from the 10th-century Danish king Herald Blatant. Who combined Denmark and Norway.           Usually, when two electronic devices communicate with each other, they use cables, infrared rays, WiFi, etc. These are some of the […]

Technology
Multimeter

          A Multimeter is an electronic instrument, every electronic technician and engineer widely used a piece of test equipment. A multimeter is mainly used to measure the three basic electrical characteristics of voltage, current, and resistance. It can also be used to test continuity between two points in an electrical circuit. […]

Technology
Potentiometer

In an electrical circuit, a switch is used to turn the electricity on and off just like a valve is used to turn the water on and off. There are times when you want some water but don’t need all the water that the pipe can deliver, so you control water flow by adjusting the […]

Technology
Liquid Crystal Display Working and Construction

          The LCD screen is an electronic display module, it can be used in a wide range of applications. The basic module of the LCD is a 16×2 LCD display and is very frequently used in various electronic circuits and well devices. Construction and Working Principle of LCD Display What is […]

Technology
Stepper Motor and its Working

STEPPER MOTOR Introduction to Stepper Motors           Like all motors, the stepper motors also have a stator and a rotor, but unlike a normal DC motor, the stator consists of individual sets of coils. The number of coils will differ based on the type of stepper motor, but for now, just […]

Technology
Servo Motor Construction and Working

What is a Servo Motor?           A servo motor is an electrical device that can push or rotate an object with great precision. If you want to rotate an object at some specific angles or distance, then you use a servo motor. It is just made up of a simple motor […]

Technology
Ultrasonic Sensor Pin-out & Working

          An Ultrasonic sensor is a device that can measure the distance to an object by using sound waves. It measures distance by sending out a sound wave at a specific frequency and listening for that sound wave to bounce back. By recording the elapsed time between the sound wave being […]

Technology
Charges and its Types, Characteristics

Symbol:(q) Unit:    Coulomb (C) The fundamental electric quantity is charge. Atoms are composed of charge carrying particles: electrons and protons, and neutral particles, neutrons. The smallest amount of charge that exists is carried by an electron and a proton. Charge in an electron: qe = -1.602×10-19 C Charge in a proton: p = 1.602×10-19 C

Technology
Electric Current

Symbol: I Unit:   Ampere Current moves through a circuit element “through a variable.” Current is the rate of flow of negatively-charged particles, called electrons, through a predetermined cross-sectional area in a conductor. Like water flow. Essentially, the flow of electrons in an electric circuit leads to the establishment of current. I(t) =    dq/dt q: relatively […]

Technology
Voltage – Potential Difference

•           Symbol: V •           Unit: Volt Ø    Potential difference across two terminals in a circuit “across variable.” Ø    In order to move the charge from point A to point B, work needs to be done. Ø    Like potential energy at a waterfall. Ø    Let A be the    lower   potential/voltage terminal Ø    Let B be the    […]

Technology
DC Motor Basics

          DC Motor is a two-wire continuous rotation motor and the two wires are power and ground. When the supply is applied, a DC motor will start rotating until that power is detached. Most of the DC motors run at high revolutions per minute (RPM), examples are; fans being used in […]

Technology
Resistors

The flow of electric current through a conductor experiences a certain amount of resistance The resistance, expressed in ohms (, named after George ohm), kilo-ohms (k, 1000), or mega-ohms (M, 106) is a measure of how much a resistor resists the flow of electricity. The magnitude of resistance is dictated by the electric properties of […]

Technology
Transistors and its Types, Operation & Applications

Transistor is an active component and that is establishing in all over electronic circuits. They are used as amplifiers and switching apparatus. As the amplifiers, they are used in high and low level, frequency stages, oscillators, modulators, detectors and in any circuit need to perform a function. In digital circuits they are used as switches. […]

Technology
Switch

Switch is an electrical component which can make or break electrical circuit automatically or manually. Switch is mainly works with ON (open) and OFF (closed) mechanism. Numerous circuits hold switches that control how the circuit works or actuate different characteristics of the circuit. The classification of switches depends on the connection they make. Two vital […]

Technology
Bread board Basics & Connections

Breadboard Basics In the 1960s, wire-wrap technique is used for designing, building, and testing the electronic circuits and prototypes. Then, the larger boards (like wooden boards used for bread slicing) were used onto which the components (huge electronics elements) were connected using wires, pins or thumbtacks. Hence, these are called as breadboards but, technical name […]

Technology
Buzzer (Piezo-Electric Type)

Piezo buzzer is an electronic device commonly used to produce sound. Light weight, simple construction and low price make it usable in various applications like car/truck reversing indicator, computers, call bells etc. Piezo buzzer is based on the inverse principle of piezo electricity discovered in 1880 by Jacques and Pierre Curie. It is the phenomena of […]

Technology
Motor Driver (L293D)

 Introduction to Motor Driver: L293D is a typical Motor driver or Motor Driver IC which allows DC motor to drive on either direction. L293D is a 16-pin IC which can control a set of two DC motors simultaneously in any direction. It means that you can control two DC motor with a single L293D IC. […]

Technology
Relay

A relay is an electrically operated switch .Many relays use an electromagnet to mechanically operating a switch, but other operating principles  are  also  used , such  as  solid  state relays .Relays  are  used where  it  is  necessary  to  control  a  circuit  by  a  separate  low-power signal , or where several circuits must be controlled by […]

Technology
Humidity Sensor

Humidity is defined as the amount of water present in the surrounding air. This water content in the air is a key factor in the wellness of mankind. For example, we will feel comfortable even if the temperature is 00C with less humidity i.e. the air is dry. But if the temperature is 100C and […]

Technology
DHT11 Sensor

What is a DHT11 Sensor? DHT11 is a low-cost digital sensor for sensing temperature and humidity.  This sensor can be easily interfaced with any micro-controller such as Arduino, Raspberry Pi etc… to measure humidity and temperature instantaneously. DHT11 humidity and temperature sensor is available as a sensor and as a module. The difference between this […]

Technology
Temperature Sensor

Temperature is the most often-measured environmental quantity. This might be expected since most physical, electronic, chemical, mechanical, and biological systems are affected by temperature. Certain chemical reactions, biological processes, and even electronic circuits perform best within limited temperature ranges. Temperature is one of the most commonly measured variables and it is therefore not surprising that […]

Technology
Flame Sensor

What is a Flame Sensor? A Flame Sensor is a device that can be used to detect presence of a fire source or any other bright light sources. There are several ways to implement a Flame Sensor but the module used in this project is an Infrared Radiation Sensitive Sensor. A flame-sensor is one kind […]

Technology
Light Dependent Resistors (LDR)

Detection of light is a basic need for everything like plants, animals and even devices. Device researchers have worked on techniques for light detection and developed devices that offer excellent performance. Light is an electromagnetic radiation with a much shorter wavelength and higher frequency than radio waves. It is a quantum mechanical phenomena and comes […]

Technology
Working of IR Sensor

Infrared technology addresses a wide variety of wireless applications. The main areas are sensing and remote controls. In the electromagnetic spectrum, the infrared portion is divided into three regions: near infrared region, mid infrared region and far infrared region. The wavelengths of these regions and their applications are shown below. Near infrared region — 700 […]

Downloads
Downloads

MIT App Inventor : https://drive.google.com/file/d/16JEeiG39kqhiiSfbMxpD9GjrbgK6jmjU/view?usp=sharing

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