jazzyjeph's channel

jazzyjeph added to a playlist 2 months ago

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Oscillator tutorial in HD!

This tutorial covers the basics of oscillators - what they are, what they are used for, and it shows a couple of demo circuits with a sine wave osc...

44,345 views

afro-tronics 43 videos

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• 7:26 Add to

  Circuit simulation in LTSpice part 3/3

  How to create a simulation of a common emitter amplifier in LTSpice, perform a transient analysis, tweak values, and generally do cool stuff in the...

  18,701 views
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  Blue 0603 LED under microscope

  Random video. The colour changes a bit as the current gets turned up.

  33,044 views
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  Passive low pass RL filters

  An intro to passive low pass RL filters. An example of a 2kHz audio crossover circuit for a woofer is given, where the low frequencies are allowed ...

  19,536 views
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  Exploding electronic components in HD

  Afroman blows up resistors, electrolytic capacitors and transistors. Don't forget to thumbs up! The music is the final part of Tchaikovsky's 1812 o...

  374,285 views
• 7:43 Add to

  Amplitude modulation tutorial & AM radio transmitter circuit

  This video covers the history of the discovery of radio waves, to the creation of simple oscillator based radio transmitters. Then I explain what m...

  50,900 views
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  Inductance basics

  The basics of inductance - how increased inductance creates a heavier filtering effect, and how coil windings and core materials affect the inducta...

  30,964 views
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  Electrical Transformer Tutorial

  Afroman covers the basics of how transformers work, where to shop for step down mains transformers, and how to wire one up to mains voltages withou...

  100,983 views

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jazzyjeph added to a playlist 2 months ago

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Passive RC high pass filters

A tutorial on passive RC high pass filters. You can use them to filter out low frequency signals, or remove DC offsets from a signal.

Make sure yo...

24,290 views

afro-tronics 43 videos

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  RAM overclocking failure

  DDR2 takes 12V... right?

  542,424 views
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  LM317 Adjustable Voltage Regulator Tutorial

  A tutorial on the LM317 voltage regulator. Shows you how to make a 1.25 to 25V adjustable voltage supply, or choose any other output voltage you wa...

  79,549 views
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  Passive RC low pass filters

  A tutorial on passive low pass RC filter circuits, and how they affect the frequency content of signals. An example of an RC filter that could go b...

  32,383 views
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  Peak detector circuits!

  A tutorial on peak detectors and an example that uses the clapper circuit from my comparator tutorial video.

  Make sure you watch the comparator t...

  26,928 views
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  OWON SDS6062 oscilloscope review

  OWON SDS6062 oscilloscope review. Review sample provided by Saelig: http://www.saelig.com/categ...

  10,222 views
• 3:54 Add to

  Inductor basics

  The basics of how inductors work, a demo showing an inductor filtering out high frequency signals, a quick low pass LC filter, and a demo showing t...

  36,440 views
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  Basic Electricity - Amps

  The first part in a series of videos about the basics of electricity.

  16,960 views

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jazzyjeph added to a playlist 2 months ago

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4 wire (Kelvin) resistance measurement tutorial

How to use the 4 wire (Kelvin) resistance measurement technique to measure tiny resistances (in the milliohm range) using only a cheap multimeter!

11,883 views

afro-tronics 43 videos

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  White LED under microscope

  There are 3 dies on every white LED in this LED module.

  5,599 views
• 11:20 Add to

  Diode Tutorial & How to build an AC to DC power supply

  This video covers the basics of diodes, bridge rectifiers, and how to build simple unregulated AC to DC power supplies than can handle a few mA up ...

  204,306 views
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  Resistor burning slowly

  Sped up by 3x to alleviate boredom.

  77,115 views
• 0:56 Add to

  RGB LED under microscope

  Clear shots of all 3 dies in an RGB LED.

  8,674 views
• 7:22 Add to

  "It's not the volts that kill you, it's the amps"

  Afroman debunks the popular myth that it's not the volts that kill you, it's the amps. Basically, the volts directly determine the current flowing ...

  77,589 views
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  Comparator tutorial & clapper circuit

  A tutorial on op-amp comparators, and a demo circuit that lights up an LED when the sound volume reaches a preset threshold.

  Watch this video on p...

  37,848 views
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  Inductive spiking tutorial

  Inductive spiking and how a diode can save your circuits.

  15,297 views

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jazzyjeph added to a playlist 2 months ago

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Circuit simulation in LTSpice part 1/3

How to set up simulations in LTSpice, create bode plots of phase and magnitude for a passive RC low pass filter.

Part 2 is here:

http://www.youtub...

34,918 views

afro-tronics 43 videos

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  THE BEST Multimeter tutorial (HD)

  Afroman shows you what to look for in a multimeter, and how to use a multimeter to measure voltage, current, resistance and continuity.

  Multimeter ...

  405,680 views
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  Fun with ultracapacitors!!

  I got hold of some 2600F capacitors that can dump hundreds of amps. Normally these are used in electric cars to handle sudden stops and starts. Ins...

  125,218 views
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  Green LED turns red!

  Normally rated for 20mA. When 100mA is flowing it turns from green to yellow. At 150mA, it slowly and permanently turns yellowy-orange. At 200+mA i...

  102,630 views
• 6:28 Add to

  Voltage regulator tutorial & USB gadget charger circuit

  This video covers the basics of linear voltage regulators - what they do, how to wire them up, and where to find them. Then I give a basic example ...

  220,267 views
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  Cosview MV200UM USB microscope review

  Cosview MV200UM USB microscope review. Review sample provided by Saelig: http://www.saelig.com/produ...

  Stand: http://www.saelig.com/produ...

  13,661 views
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  Transformers LED artwork

  I spent several days etching plexiglass by hand with a razor blade. Then I embedded LEDs to light up the Autobot and Decepticon logos. A microcontr...

  23,512 views
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  Robotic Cat Toy

  Here is how I built a robotic cat toy to keep my cat out of trouble. Source code for the project is at http://www.afrotechmods.com......

  93,756 views

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jazzyjeph added to a playlist 2 months ago

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How to Turn an Old UPS into an Alkaline Battery Charger!

What is inside an uninterruptible power supply? A lot of useful components! Afroman shows you a teardown of a UPS and uses some of the components i...

147,294 views

afro-tronics 43 videos

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  PWM Tutorial in HD

  Afroman goes over the basics of PWM and shows you how to cheaply build a PWM circuit that can dim LEDs, control the speed of a motor, or control th...

  139,115 views
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  Make The World's Simplest Hand Cranked LED Flashlight

  Got an old crappy printer that is just sitting around? You can use the stepper motors inside to make a hand cranked flashlight! Here is how.

  265,206 views
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  Transistor / MOSFET tutorial

  How to use an N channel MOSFET to turn anything on and off.

  Also, remember to put a 100k resistor between gate and ground if you want your FET to s...

  781,968 views
• 3:53 Add to

  Voltage divider tutorial

  This video shows the basics of voltages dividers and how to build one. Power consumption considerations and equivalent series resistance issues are...

  48,773 views
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  BURNING stuff with a CAMERA FLASH!

  My Canon 580EX 2 on full power is VERY bright. Bright enough to burn a hole through a garbage bag!!

  362,572 views
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  Dry ice farts when you cut it!

  READ THE DESCRIPTION!!!!!

  The rapid expansion of CO2 when dry ice comes into contact with another surface results in some interesting sounds as it...

  1,815,344 views
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  Operational Amplifier Tutorial & super microphone circuit

  Afroman goes over the basics of how to use an operational amplifier to amplify tiny voltages, and builds a circuit to listen to very faint sounds w...

  108,185 views

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jazzyjeph added to a playlist 2 months ago

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Open a slim PS2 (PROPER guide!)

A guide on how to open up a slim Playstation 2. Different PS2 versions may have slight variations of the internal parts.

62,309 views

afro-tronics 43 videos

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  Laser Tripwire circuit / photoresistor tutorial

  Afroman takes a cadmium sulphide photoresistor and uses it to build a laser tripwire circuit that can trigger pretty much anything. Don't forget to...

  87,251 views

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