Practical case: Use of coil in electromechanical bell
Build an electromechanical doorbell to explore inductive energy conversion and safe control of loads. Perfect for projects and demonstrations!
Inductor
Practical case: Inductor in high-pass filter for basic RF
Build a simple LC high-pass filter for RF applications. Learn to filter noise, separate signals, and measure frequency response effectively.
Practical case: Coil as a filter in Arduino power supply
Build a small LC filter to reduce noise from a 5V supply for Arduino, improving stability and accuracy in analog readings. Learn how!
Practical case: Inductor for soft start of lamp
Learn to build a circuit with a 12 V lamp and inductor for a soft start effect, reducing inrush current and extending lamp life.
Practical case: Calculate and wind an air-core coil
Learn to design and wind a 10 µH air-core inductor, and verify its inductance through resonance measurement with our step-by-step guide.
Practical case: Inductor in low-pass filter for audio
Learn to build and test a simple RL low-pass filter for audio. Verify its cutoff behavior with our easy-to-follow guide and materials list.