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KY-017 Module : PinOut, Equivalent, Specifications, Interfacing, Working, Datasheet & Its Applications

May 5, 2025 By WatElectronics

KY-017 Module

A switch that uses a small amount of mercury within a sealed glass tube to detect tilting is known as a mercury tilt switch. In 1922, Louis Austin Merritt Phelan invented a mercury switch through a glass envelope. After that, a more advanced mercury switch with a tubular glass envelope was invented in 1937 by Harold Olson. Whenever the switch tilts, then mercury will move and break the circuit. This is an electrical switch that opens & closes an electrical circuit whenever a small amount of … [Read more...]

KY-023 Joystick Module : PinOut, Features, Specifications, Types, Interfacing & Its Applications

March 27, 2025 By WatElectronics

Joystick Module

The first ‘Joystick technology’ was introduced in the early 20th century for use in aircraft. So this was patented by Ralph Baer in 1944 who invented the first video game console. So joysticks were used widely in video games in the years 1970s & 1980s. Joysticks are used as controlled devices in elevators & aircraft ailerons. So these are first used on the Bleriot VIII aircraft of Louis Bleriot in combination with a foot-controlled rudder bar on the tail for the yaw control surface. This … [Read more...]

ISD1820 Voice Recording Module : PinOut, Features, Specifications, Interfacing & Its Applications

February 4, 2025 By WatElectronics

ISD1820 Module

SA voice recording module is an electronic device that records & playback audio. So some modules include a microphone & speaker which records multiple messages up to 20 seconds. This module reproduces natural and high-quality audio and voice from the recorded audio through a Mic. The voice recording module capacity mainly depends on its model which ranges from 8 seconds to 64 seconds (or) 1 GB. There are different types of voice recording modules available in the market from other … [Read more...]

Thermal Sensor : Working, Types, Interface with Arduino & Its Applications

October 21, 2022 By WatElectronics

Thermal Sensor

Most of the electronic & electrical components are rated to work in certain temperature ranges. But, the performance of these components can get reduced once the temperature increases from a specified range. Once the temperature crosses the maximum acceptable limit, then components will get damaged because of thermal runaway or heating. So, thermal characteristics play an essential role when selecting different components for electronic circuits. Thermal sensors are used for maintaining … [Read more...]

MQ2 Arduino Gas Sensor : Pin Configuration & Its Working

June 27, 2022 By WatElectronics

MQ2 Arduino Gas Sensor

Today, sensors play a key role in the security of various apartments, houses, and offices by detecting fire, smoke, or gas with an alarm function. The MQ2 gas sensors are widely used in smoke and gas detection. This sensor can detect smoke, and harmful gases like alcohol, LPG, propane, methane, hydrogen, and carbon monoxide. It is used in various applications such as air quality monitoring systems, smoke detectors, fire detection systems, breath checkers, etc. This article explains the … [Read more...]

Arduino Projects for Engineering Students

October 6, 2021 By WatElectronics

Arduino Projects

An Arduino is a development board designed with a combination of both hardware and software with open source access. Arduino projects were firstly started at Interaction Design Institute Ivrea (IDII). The board consists of a microcontroller with is pre-programmed and an integrated development environment (IDE). This IDE helps in writing the code and dumping it on the hardware board. These boards are employed in a various electronic appliance that communicates with other technologies such as IoT, … [Read more...]

What is LCD 16X2 : Pin Configuration & Its Working

August 8, 2021 By WatElectronics

LCD 16 X2

In LCD 16x2, the term LCD stands for Liquid Crystal Display that uses a plane panel display technology, used in screens of computer monitors & TVs, smartphones, tablets, mobile devices, etc. Both the displays like LCD & CRTs look the same but their operation is different. Instead of electrons diffraction at a glass display, a liquid crystal display has a backlight that provides light to each pixel that is arranged in a rectangular network. Every pixel includes a blue, red, green … [Read more...]

Arduino Technology Architecture and Its Advantages

January 8, 2021 By admin

An Arduino board is a one type of microcontroller based kit. The first Arduino technology was developed in the year 2005 by David Cuartielles and Massimo Banzi. The designers thought to provide easy and low cost board for students, hobbyists and professionals to build devices. Arduino board can be purchased from the  seller or directly we can make at home using various basic components. The best examples of Arduino for beginners and hobbyists includes  motor detectors  and thermostats, and … [Read more...]

What is Arduino Sensor : Types, Working and Applications

September 22, 2020 By WatElectronics

Arduino Sensor

An electronic device that senses and responds quickly to physical changes such as distance, pressure, temperature, touch can be referred to as sensors. These are used commercially in various products for temperature monitoring, alarming circuits, and in the Home automation kits, etc... In the practical world, where the motive is to design a user-friendly environment such that various devices information can be controlled, sent, and monitored. This is made possible when the multiple sensors are … [Read more...]

Piezoelectric Sensor and Its Operation

December 23, 2019 By WatElectronics

In this digitized world, most of mankind's life turns around sensors and sensors hold a prominent role in our lives. Making every activity as automatic, one can find multiple kinds of sensors in their workstation, home, car and in many other places. So, let’s start with the definition of what sensor means to and how it created a great impact on the lives of mankind ? Sensors are the devices where those receive input signals and provides an output in correspondence with the physical change. The … [Read more...]

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