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 […]
PIN Diode Symbol, Construction, Working & Applications
In this article, we will explore the PIN diode in detail, covering its symbol, construction, VI characteristics, working principle, advantages, disadvantages, and applications. A PIN diode is a type of semiconductor device that is widely used in RF and microwave applications. The name “PIN” comes from the structure of the diode, which consists of three […]
Artificial Intelligence vs Human Intelligence
Let’s explore the difference: Artificial Intelligence vs Human Intelligence, nuances of AI and human intelligence, comparing their strengths, weaknesses, and implications for the future. In recent years, artificial intelligence (AI) has emerged as one of the most transformative technologies of our time. From self-driving cars to advanced chatbots, AI systems have demonstrated capabilities once thought […]