Electrical and electronics engineering

Basic formulas in electronics that everyone should know: 👉🏻Ohm's law: This is the fundamental relationship between electric current, voltage, and resistance. It states that the current flowing through a conductor is directly proportional to the voltage applied across it, and inversely proportional to its resistance. Mathematically, it is expressed as I = V/R, where I is the current in amperes, V is the voltage in volts, and R is the resistance in ohms. 👉🏻Kirchhoff's current law: This law states that the sum of the currents entering a junction in a circuit must be equal to the sum of the currents leaving that junction. Mathematically, it is expressed as the sum of all the currents entering a junction equals the sum of all the currents leaving that junction. 👉🏻Kirchhoff's voltage law: This law states that the sum of the voltage drops in a closed loop must equal the sum of the voltage rises in that loop. Mathematically, it is expressed as the sum of all the voltage drops around a closed loop equals the sum of all the voltage rises around that loop. 👉🏻Power formula: This formula relates the power dissipated in a circuit to the voltage and current flowing through it. It states that the power P in watts is equal to the product of the voltage V in volts and the current I in amperes. Mathematically, it is expressed as P = VI. 👉🏻Capacitance formula: This formula relates the capacitance C of a capacitor to its physical dimensions and the type of dielectric material used. It states that the capacitance is equal to the ratio of the charge Q stored on the capacitor to the voltage V across it. Mathematically, it is expressed as C = Q/V. like 👍 share ▶️ support

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Basic projects that use IoT (Internet of Things) in electronics: 👉🏻Building a smart thermostat using a temperature sensor, a microcontroller, and a Wi-Fi module 👉🏻Designing a smart door lock using a fingerprint sensor, a microcontroller, and a Wi-Fi module 👉🏻Creating a remote monitoring system using a camera, a microcontroller, and a Wi-Fi module 👉🏻Building a smart plant watering system using a soil moisture sensor, a microcontroller, and a Wi-Fi module 👉🏻Designing a remote control system using a microcontroller, a Wi-Fi module, and a motor driver 👍👍👍👍

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What is a laser diode? 👉The LASER in Laser Diode is an acronym for 'Light Amplification by Stimulated Emission of Radiation'. It is also referred to as a semiconductor laser and generally abbreviated as LD. 👉Its main feature is high coherency, making it possible to emit light with the same phase and wavelength. 👉Laser oscillation is achieved by amplifying light generated through current injection between two mirrors. Simply put, a laser diode is an LED that amplifies and emits light using reflectors. 👍👍Like & share ▶️ support 😍😍😍

Commonly used ICs in electronic circuits: 555 timer IC: A versatile IC that can be used as an oscillator, pulse generator, or timer, often used in timing and clock circuits. 7400 series ICs: A family of digital logic ICs that contains a variety of gates, flip-flops, and other building blocks for digital circuits, commonly used in computers and other digital devices. LM386 audio amplifier IC: A low-power audio amplifier that can be used to amplify small signals, often used in portable audio devices and musical instruments. LM7805 voltage regulator IC: A linear voltage regulator that can provide a stable 5V DC output, often used to power microcontrollers and other electronic devices. CD4017 decade counter IC: A digital counter that can count from 0 to 9 and then reset, often used in sequential circuits and display circuits. CD4053 multiplexer IC: A digital IC that can select one of several inputs and route it to a common output, often used in data acquisition and control systems. ▶️ Like 👍 share 🆗 support