How to use a multimeter like a pro! The Ultimate guide
This lesson provides a comprehensive guide on how to effectively use a digital multimeter, emphasizing its basic functions such as measuring voltage, current, and resistance. It distinguishes between manual and auto range multimeters, detailing the steps for measuring DC and AC voltage, resistance, and current, while also highlighting additional features like continuity testing and measuring capacitance and temperature. By understanding these functions and safety precautions, users can confidently navigate and utilize multimeters in various electrical applications.
How 3 Phase Transformers Work – why we need them
This lesson explains the function and importance of three-phase transformers in electrical systems, highlighting their role in efficient power distribution for commercial and industrial applications. It contrasts single-phase and three-phase power, detailing the configurations (Delta and Wye) and how transformers adjust voltage levels to meet varying power demands. Understanding these concepts is essential for appreciating how stable and reliable electricity is delivered to homes and businesses.
Generate Electricity – How Solar Panels Work!
This lesson explores the functioning of solar panels, which convert sunlight into electricity through the photovoltaic effect. It explains the components of solar modules, the process of generating electric current, and the different types of solar cells, highlighting their efficiencies and applications. By understanding these concepts, we can appreciate the significance of solar energy as a clean and renewable power source.
Ductwork sizing, calculation and design for efficiency – HVAC Basics + full worked example
This lesson provides a comprehensive overview of ductwork design for HVAC systems, focusing on the equal friction method for efficiency. It covers the process of calculating heating and cooling loads, converting these loads into volume flow rates, and sketching ductwork routes while considering dynamic losses and material impacts on efficiency. The lesson emphasizes the importance of optimizing duct design through simulations and careful planning to enhance airflow and reduce pressure losses.
DC parallel circuits explained – The basics how parallel circuits work working principle
In this lesson, we explored the fundamentals of DC parallel circuits, focusing on their structure and how to calculate key electrical values such as voltage, current, and resistance. Unlike series circuits, where a single path can disrupt the flow of electricity, parallel circuits allow multiple paths for current, ensuring that if one component fails, others continue to operate. We also discussed relevant formulas, including Ohm’s Law and methods for calculating total resistance and power consumption, and concluded with practice problems to reinforce understanding.
Differential explained – How differential works open, limited slip
This lesson explains the function and importance of differential gear trains in vehicles, highlighting how they enable wheels to rotate at different speeds during turns to prevent tire slippage and improve handling. It contrasts open differentials, which can struggle on slippery surfaces, with limited slip differentials that enhance traction by distributing power more evenly. Additionally, the lesson encourages hands-on learning through model building to deepen understanding of these essential automotive components.
Why Electronics Need Cooling – transistor heat sink
In this lesson, we explored the critical role of cooling in electronics, emphasizing the need to manage heat generated by components like resistors, MOSFETs, and IGBTs to prevent damage and ensure reliability. We discussed various cooling strategies, including heatsinks, fans, and advanced methods like liquid cooling, highlighting the importance of simulation tools for optimizing designs. Ultimately, effective cooling not only enhances performance and lifespan but also reduces operating costs in electronic systems.
How Potentiometer Works – Unravel the Mysteries of How potentiometers Work!
This lesson explains the function and application of potentiometers, which are adjustable resistors used to modify voltage and current in various electronic devices. It covers their construction, including the resistive track and wiper mechanism, as well as their ratings and types, such as linear and logarithmic. Potentiometers are commonly found in devices like game controllers and radios, serving as essential components for manual adjustments in circuits.
How to 3D Print Electric Motor
This lesson guides you through the process of building a 3D-printed electric motor using enameled copper wire and various materials. It covers the steps of creating the rotor, preparing copper plates, assembling the motor, and making electrical connections, ultimately allowing you to witness the motor in action. By following this tutorial, you’ll gain hands-on experience with electromagnetism and engineering principles.
Hybrid Stepper Motor Basics
The lesson on hybrid stepper motors explains their operation and advantages, highlighting their combination of variable reluctance and permanent magnet technologies for precise movement control. It details how these motors function through the interaction of energized coils and the rotor’s magnetic fields, allowing for accurate positioning with each step, which can be as small as 1.8 degrees in advanced models. The lesson encourages further exploration of electrical engineering concepts and community engagement for deeper learning.