In this article, we will explore various types of logic gates with their symbol, truth table, Boolean expression, properties, IC numbers, applications, advantages, and disadvantages. Logic gates are the fundamental building blocks in digital electronics. There are basically seven main types of logic gates that are used to perform various logical operations in digital systems. […]
Types of Variable Speed Drives: Construction, Working & Applications
Here is a detailed explanation on types of variable speed drives, including their construction, working principles, advantages, disadvantages, and applications. Variable Speed Drives (VSDs), also known as Variable Frequency Drives (VFDs) or Adjustable Speed Drives (ASDs), are devices or systems used to control the speed and torque of motors by varying the frequency, voltage or […]
ESP32 Weather Station with BMP280 / BME280 Sensor
The ESP32 is a powerful microcontroller with built-in Wi-Fi and Bluetooth, making it an excellent choice for IoT applications. In this project, we will build a weather station using the ESP32 with BMP280 / BME280 air pressure sensor. The BMP280 measures temperature, pressure, and altitude, while the BME280 adds humidity measurement. The sensor data will […]
Light Dependent Resistor (LDR) / Photoresistor Circuit Diagram & Working
Light Dependent Resistor (LDR) are widely used in various applications where light detection is required, such as in automatic street-lights, camera light meters, and burglar alarm systems. This article will delve into the symbol, construction, working principle, characteristics, advantages, disadvantages, and applications of LDRs. Additionally, a simple LDR circuit to detect light will be explained […]
Tunnel Diode Symbol, Construction, Working and Applications
The tunnel diode, also known as the Esaki diode, is a type of semiconductor diode that exhibits a unique behavior due to quantum mechanical tunneling. Leo Esaki invented the tunnel diode in 1957, and he received the Nobel Prize in Physics for it in 1973. Its negative resistance region in the current-voltage (I-V) characteristics makes […]
SR Latch Truth Table and Working by NAND and NOR Gate
In this article, we will explore the working of the SR Latch, its truth table, its implementation using NAND and NOR gates, and the differences between an SR Latch and an SR Flip-Flop. The SR Latch is one of the most fundamental building blocks in digital electronics. It is a type of bistable multivibrator, meaning […]