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A Deep Dive Into Inductors

https://fed.brid.gy/r/https://hackaday.com/2026/02/05/a-deep-dive-into-inductors/

<div><img alt="A graph of current versus time for circuits with and without inductors" class="attachment-large size-large wp-post-image" height="450" src="https://hackaday.com/wp-content/uploads/2026/01/inductance-banner.jpg?w=800" style="margin: 0 auto; margin-bottom: 15px;" width="800" /></div><p>[Prof MAD] runs us through <a href="https://www.youtube.com/watch?v=S--0-hkSARU" target="_blank">The Hidden Power of Inductors — Why Coils Resist Change</a>.</p>
<p>The less often used of the passive components, the humble and mysterious inductor is the subject of this video. The essence of inductance is a conductor’s tendency to resist changes in current. When the current is steady it is invisible, but when current changes an inductor pushes back. The good old waterwheel analogy is given to explain what an inductor’s effect is like.</p>
<p>There are three things to notice about the effect of an inductor: increases in current are delayed, decreases in current are delayed, and when there is no change in current there is no noticeable effect. The inductor doesn’t resist current flow, but it does resist changes in current flow. This resistive effect only occurs when current is changing, and it is known as “inductive reactance”.</p>
<p>After explaining an inductor’s behavior the video digs into how a typical inductor coil actually achieves this. The basic idea is that the inductor stores energy in a magnetic field, and it takes some time to charge up

A Deep Dive Into Inductors https://hackaday.com/2026/02/05/a-deep-dive-into-inductors/
#Hardware #Science #Inductance #Inductor

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PID controlled Boost Converter with ESP32: a comprehensive design and implementation guide

https://www.techrm.com/pid-controlled-boost-converter-with-esp32-a-comprehensive-design-and-implementation-guide/

#analogueelectronics #breadboard #capacitor #digital #digitalelectronics #diode #Dupontcables #esp32 #inductor #internetofthings #iot #library #measure #NodeMCU #platformio #resistance #resistor #sensor #sensors #SPIFFS #transistor #tutorial

The image represents the basic wiring diagram of a boost converter

Bauelemente in der Elektronik https://blog.funil.de/2117/sinuspl/deutsch/eletronik-und-technik/bauelemente-in-der-elektronik/ #basteln #capacitor #circuit #diode #electronics #inductor #resistor #transistor

Understanding major electronic components: an essential guide to analog and digital electronics

https://www.techrm.com/understanding-major-electronic-components-an-essential-guide-to-analog-and-digital-electronics/

#analogueelectronics #capacitor #digital #digitalelectronics #diode #inductor #led #LEDdiode #resistance #resistor #transistor #tutorial

The image represents a group of electrical symbols of some common electronic components such as resistors, capacitors, inductors, diodes, LEDs, BJT transistors

@KC1PYT Here's the NEC output for a shortish wire #antenna at #HF. Suppose you want to load this for the 20 m band. The real impedance at 14 MHz is 36.6Ω (nothing a lone #inductor can do about that) and the reactance is -207.5iΩ, so we want a series reactance of 207.5iΩ to cancel it, which at 14 MHz is 2.35 µH (that's just X=2πfL). So you could make a suitable loading coil for 14 MHz with 5 turns of a 5 cm radius, 10 cm long coil (L=µ0N^2A/l, or about 2.4 µH for N=5, A=π0.05^2 and l=0.1).

A screenshot of xnec2c, showing the impedance of a random wire antenna from 3 MHz to 30 MHz, with a resistance/reactance graph and a Smith chart.

I have just 3D printed and built the USB Communication Kit for the DerEE DE-5000 LCR meter. The interface works great!

#Electronics #LCRmeter #Capacitor #Inductor #DE5000 https://www.thingiverse.com/thing:2551379

[28/06/2021]

Comparing my old home designed PIC LCR meter that has served me well for 20 years, with my new DE-5000 LCR meter. Both meters seem to be close enough when testing this 0.1µF capacitor – a good start!

#Electronics #LCRmeter #Capacitor #Inductor #DE5000
[17/06/2021]

DIY Loading Coil Shortens Antenna Lengths https://hackaday.com/2023/11/20/diy-loading-coil-shortens-antenna-lengths/ #amateurradio #loadingcoil #RadioHacks #inductance #hamradio #inductor #antenna #radio #coil

I cracked a #transformer and the shards of the core did not stick to metal. What!? I thought it was ferrite, useful for its magnetic properties. Can anyone confirm that the cores inside inductors are not actually #magnets ?

#inductor #askfedi #electronics

All-Mechanical Coil Winder is a Scrap-Bin Delight https://hackaday.com/2023/08/30/all-mechanical-coil-winder-is-a-scrap-bin-delight/ #amateurradio #magnetwire #MiscHacks #inductor #solenoid #radio #coil #ham

Practical Inductors in LTSpice https://hackaday.com/2023/07/18/practical-inductors-in-ltspice/ #SoftwareHacks #inductor #LTSpice #Parts #SPICE

https://www.nature.com/articles/s41598-022-24914-y

"The element realized herein is shown to bear the three required and necessary fingerprints of a meminductor, and its place on the periodic table of circuit elements is discussed by extending the genealogy of memristors to meminductors."

#electronics #circuits #ee #electricalEngineering #memristors #meminducance #inductance #electricity #inductor #electricField

The primary of this mains #transformer that was in a power brick from the 1990s seems to be broken internally.

What else can I use it for? Should I attempt to recycle the magnet wire? Try to rewind the laminated core?

The other two transformers seem fine. They both came from digital clocks.
#making #electrical #salvage #components #inductor

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