Different alarm circuits are used commonly in day-to-day life as a security measure or to indicate any situation. Here in this tutorial, we are going to make a simple “Rain alarm circuit using timer IC … Read more
Areeba Arshad
You must have seen many LED flashlights in the market, mostly using white LEDs as they provide perfect brightness and light. LEDs are excellent for applications subject to frequent on-off cycling, unlike fluorescent lamps that … Read more
Simple Flashlight LED Torch Circuit using CD4049 IC
DC motor is most commonly used due to its simple construction and function. It has just 2 leads, positive and negative. If one connects these leads directly to a battery, then the motor will rotate. … Read more
How To Control DC Motor Using An Arduino
A subwoofer amplifier circuit is basically a loudspeaker from which low or small-frequency audio signals are produced. These circuits efficiently improve the audio signals and improve their bass quality. This amplifier circuit is very useful … Read more
Subwoofer Amplifier Circuit using IC TDA2030
CCS811 is an air quality gas sensor module which is used to detect a wide range of Volatile Organic Compounds (VOCs) and is intended for indoor air quality monitoring. This sensor is mostly used in … Read more
CCS811 Air Quality Gas Sensor Module
A piezoelectric sensor is a device that uses a piezoelectric effect to measure the changes in pressure, acceleration, temperature, strain, or force by converting them to an electrical charge. Working principle When a force is … Read more
Piezoelectric Vibration Sensor Module
The capacitor is a vital component for any electronic circuit and devices, capacitors come up with different types based on different characteristics. As we all know, the capacitor is a component and stores electrical energy … Read more
Types of Capacitor and Its Applications
The laser security alarm circuit utilizes laser sensors for intruder detection. The main components of the laser security alarm circuit are infrared motion sensors and an alarm unit. It works by heat detection radiating from a … Read more
Laser Security Alarm Circuit
A darkness detector is a circuit that detects darkness using light-dependent resistors, it’s used to automatically turn on the lights when it becomes dark. Hardware Components The following components are required to make Darkness Detector … Read more
Darkness Detector Circuit Using LDR
Arduino LCD Display Modules are mostly used in embedded projects, because of its affordability and availability. The 16×2 Display LCD Module represents 16 Columns and 2 Rows. There are so many other combinations like 8×1, 8×2, … Read more
Arduino LCD Display Module 16×2 Character
HMC5883L Digital Compass Module consists of 3-axis i-e (x, y, and z) and a magnetic field chip comprising of 3 magneto-resistive sensors that are positioned at 90 degrees to each other. Working principle The working … Read more
3-Axis Digital Compass Module HMC5883L
Fingerprint scanner (GT-511C3) developed by ADH-Tech utilizes TTL Serial for communication, making it simple to embed in a project. This small size embedded module consists of an optical sensor and a circuit board. The sensor … Read more