Afrotechmods
Afrotechmods
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Why electrolytic capacitors are actually kinda crappy 💩
Electrolytic capacitors are common, but knowledge of their limitations is uncommon. A demonstration is shown highlighting the difference in performance between electrolytic and ceramic capacitors in power supplies. Other topics discussed in the video: Electrolytic capacitor construction, ceramic capacitors, ESR, ESL, impedance curves, why "0.1uF", and more.
Webpage: www.afrotechmods.com
Twitter: Afrotechmods
Facebook: Afrotechmods
#electronics #engineering #capacitor
zhlédnutí: 597 608

Video

Siglent SDG6000X Arbitrary Waveform Generator Review
zhlédnutí 53KPřed 6 lety
A review of Siglent's SDG6052X 500MHz arbitrary waveform generator with the I/Q upgrade. Webpage: www.afrotechmods.com Twitter: Afrotechmods Facebook: Afrotechmods/
Arduino Servo Control: How to Make a Laser Turret with XOD
zhlédnutí 938KPřed 6 lety
A tutorial on what servos are, how they work, and how to control them. Then I build a laser turret using a pan-tilt servo kit and an Arduino Uno. The Arduino is programmed with XOD, a free visual programming language. Download XOD: xod.io/? Another XOD tutorial: czcams.com/video/qxjLH_3US04/video.html Hitec HS-311 servo: www.amazon.com/exec/obidos/ASIN/B0006O3WVE/afromods-20 Sub-micro servo pac...
Fun with 1.1GHz Potato chips
zhlédnutí 292KPřed 7 lety
I built a ring oscillator using a 1.125GHz 74 series logic inverter IC from Potato Semiconductor. It was fun. Main site: www.afrotechmods.com Potato Semi: www.potatosemi.com Twitter: afrotechmods Facebook: Afrotechmods/
📡 Siglent SSA3032X Spectrum Analyzer Review & Experiments
zhlédnutí 93KPřed 7 lety
Afroman reviews Siglent's SSA3000X series spectrum analyzer and all the options. There is some RF information for beginners and usage experiments are also performed. Firmware version 1.2.8.2. TABLE OF CONTENTS 0:00 Intro 0:33 Unboxing and discussion of inputs 1:24 Screen 1:59 Build quality, fan noise, user interface 5:35 AM and FM demodulation 6:18 Average noise measurements 9:11 Phase noise 9:...
You can learn Arduino in 15 minutes.
zhlédnutí 9MPřed 7 lety
The ultimate Arduino tutorial for beginners. Learn how to choose an Arduino, dim LEDs, build a motor speed controller and more. Sponsored by Audible - Get a free 30 day trial & download one free title: www.audible.com/afrotechmods Example UNO kit: amzn.to/2mRjqLa Example UNO robot kit: www.amazon.com/exec/obidos/ASIN/B07KPZ8RSZ/afromods-20 (Amazon affiliate links) Website: www.afrotechmods.com ...
🔊 How to make an LM386 audio amplifier circuit
zhlédnutí 628KPřed 7 lety
How to use the popular LM386 class AB audio amplifier IC to build a simple mono 1 watt audio amplifier. It costs less than $3 in parts! Sponsored by The Great Courses Plus. Get 30 free days at: ow.ly/8N2c307LfKL LM386s on Amazon: www.amazon.com/exec/obidos/ASIN/B01MUHBZ91/afromods-20 Circuit diagram: bit.ly/2kep7h9 Duke Nukem Theme by Ed Dekker: czcams.com/video/MzptQ4ZuTTI/video.html Additiona...
Basic Electricity - Power and watts
zhlédnutí 670KPřed 7 lety
A tutorial on electrical power and watts. A practical example of light bulb power measurement is shown as well as a demo how to calculate appropriate resistor sizes. Website: bit.ly/2gHy8xd Twitter: afrotechmods Facebook: bit.ly/2cMrAeu
Basic Electricity - Resistance and Ohm's law
zhlédnutí 2,6MPřed 7 lety
A tutorial on the basics of electrical resistance, resistors, and Ohm's law which describes the relationship between voltage, current and resistance. I also show you how to build a simple resistor LED circuit. 300 LEDs for $9: www.amazon.com/exec/obidos/ASIN/B00UWBJM0Q/afromods-20 630 resistors for $9: www.amazon.com/exec/obidos/ASIN/B07QXP4KVZ/afromods-20 9V battery clips: www.amazon.com/exec/...
LED Basics
zhlédnutí 2,6MPřed 7 lety
A tutorial on the basics of using LEDs (light emitting diodes). Polarity, forward voltage and current are discussed. 300 LEDs for $13: www.amazon.com/exec/obidos/ASIN/B00UWBJM0Q/afromods-20 500 resistors for $12: www.amazon.com/exec/obidos/ASIN/B008MH97I4/afromods-20 Adjustable power supply: www.amazon.com/exec/obidos/ASIN/B08HYK2ZW3/afromods-20 (Amazon affiliate links) Previous video on volts:...
🔌 Basic Electricity - What is voltage?
zhlédnutí 1,3MPřed 7 lety
What is voltage and what does it do? Learn about volts, coulombs, joules, power supplies and more in this video! Previous video on amps: czcams.com/video/8gvJzrjwjds/video.html Website: www.afrotechmods.com Twitter: afrotechmods Facebook: bit.ly/2cMrAeu #Physics #Engineering #Electronics
⚡ Don't build this 12V DC to 120V AC inverter circuit.
zhlédnutí 442KPřed 8 lety
A description of how a popular 12V DC to 120/240V AC inverter circuit works and its MANY limitations. Watch this video before you build inverter circuits you find online else you risk damaging your equipment! Please visit my website www.afrotechmods.com for more high quality electronics tutorials. STOP ASKING ME FOR A BETTER INVERTER DESIGN IT ISN'T WORTH THE HASSLE JUST BUY ONE.
Frequency Modulation tutorial & FM radio transmitter circuit
zhlédnutí 251KPřed 8 lety
This video explains what frequency modulation (FM) is and shows a simple low powered FM radio transmitter circuit you can build. It has a range of about 20 meters. Check out my webpage for more videos about electronics! www.afrotechmods.com PCB: www.oshpark.com/shared_projects/WcqBnpXg Design files: www.afrotechmods.com/FMTransmitter.zip Twitter: Afrotechmods Facebook: ...
How to build a simple laser tachometer
zhlédnutí 240KPřed 8 lety
Did you know you can use an LED as a light sensor? In this video I show you how to use this phenomenon to build a laser tachometer capable of measuring the RPM of mechanical devices. Professional laser tachometer on Amazon: www.amazon.com/exec/obidos/ASIN/B000VC8RSE/afromods-20 Check out my webpage for more electronic projects! www.afrotechmods.com
What is a zener diode?
zhlédnutí 1,1MPřed 8 lety
A tutorial on zener diodes and how to use them as voltage clamps, voltage regulators, and how to create audio distortion circuits. 300 assorted zener diodes on Amazon for $10: www.amazon.com/exec/obidos/ASIN/B015D0B3B6/afromods-20 Check out my webpage for more videos about electronics! www.afrotechmods.com
Microcontroller on FIRE
zhlédnutí 61KPřed 8 lety
Microcontroller on FIRE
Diodes MELTING
zhlédnutí 67KPřed 8 lety
Diodes MELTING
What is a schottky diode?
zhlédnutí 2,2MPřed 8 lety
What is a schottky diode?
Constant current power supply and laser / LED driver tutorial
zhlédnutí 365KPřed 9 lety
Constant current power supply and laser / LED driver tutorial
Hard drive... SPEAKERS?!
zhlédnutí 164KPřed 9 lety
Hard drive... SPEAKERS?!
Keysight 3000T 1GHz Oscilloscope Review
zhlédnutí 46KPřed 9 lety
Keysight 3000T 1GHz Oscilloscope Review
Raspberry Pi overclocking failure
zhlédnutí 188KPřed 9 lety
Raspberry Pi overclocking failure
How an accelerometer works!
zhlédnutí 499KPřed 9 lety
How an accelerometer works!
🔋 How to choose a battery: A battery chemistry tutorial
zhlédnutí 216KPřed 9 lety
🔋 How to choose a battery: A battery chemistry tutorial
🔋 How to charge a LiPo battery with a power supply
zhlédnutí 454KPřed 9 lety
🔋 How to charge a LiPo battery with a power supply
🔋 Battery amp-hour, watt-hour and C rating tutorial
zhlédnutí 1,6MPřed 9 lety
🔋 Battery amp-hour, watt-hour and C rating tutorial
DC-DC Boost converter tutorial
zhlédnutí 746KPřed 9 lety
DC-DC Boost converter tutorial
Adjustable switch mode power supply tutorial
zhlédnutí 270KPřed 9 lety
Adjustable switch mode power supply tutorial
Switch mode power supply tutorial: DC-DC buck converters
zhlédnutí 973KPřed 9 lety
Switch mode power supply tutorial: DC-DC buck converters
LM317 magic smoke
zhlédnutí 104KPřed 9 lety
LM317 magic smoke

Komentáře

  • @michaeljacewicz4892

    You are one sharp cookie who knows what you are talking about! I like your style for I need to design a fixed voltage power supply. I can tell you are a college teacher. From one scholar to another, I appreciate your knowledge and your teaching mode. Keep up the good work.

  • @EBmaster512
    @EBmaster512 Před 2 dny

    -ram

  • @natenut1694
    @natenut1694 Před 3 dny

    I want to create a variable voltage divider 24volt to 12volts. What's the biggest or best resistors to help me create a setup that can out 12volt @ 5-10amps?

    • @Afrotechmods
      @Afrotechmods Před dnem

      You don't want to do that with a voltage divider. You want a DC-DC converter based on a buck converter topology. You might be able to find one on amazon.

  • @user-dg4qb6zk4m
    @user-dg4qb6zk4m Před 3 dny

    this is the most beautiful use of tchaikovsky ive ever witnessed.

  • @latadhakan7975
    @latadhakan7975 Před 4 dny

    Why did the fire alarm in my building go off when i started the video?

  • @sheikhAbdelrahman
    @sheikhAbdelrahman Před 5 dny

    Good stuff!

  • @elepentx2
    @elepentx2 Před 5 dny

    The 10 year old school laptop after i accidently click 2 times on chrome

  • @FranktheDachshund
    @FranktheDachshund Před 5 dny

    I lost this channel for at least a decade, glad I refound it.

  • @ronwade2206
    @ronwade2206 Před 6 dny

    Brotech 😅

  • @amrishatiwari4152
    @amrishatiwari4152 Před 6 dny

    My electronics degree in a gist

  • @PosterityOf1776
    @PosterityOf1776 Před 6 dny

    2024 Radio Shack and Sears are dead 😮

  • @aleksszukovskis2074

    so youre telling me i need just a nitrogen spark generator and a simple LED for makeshift home security?? It was that easy all along?

  • @Ostnizdasht206
    @Ostnizdasht206 Před 7 dny

    Very informative. Thanks.

  • @kkiruthik4156
    @kkiruthik4156 Před 7 dny

    Planned fail

  • @TheWorldOfGamePlayEver

    damn, the ram so hot even the soldering iron melt and cable cut down. (ram is like at 280+ degrees

  • @BigBroBotics
    @BigBroBotics Před 9 dny

    Hello afrotechmods! Not sure how to message so trying here. I recently saw this video and after realizing how much it helped me, placed a six second clip of it in my video on arduino pwm, to spread the word so to speak. However, as it is your og content, if you would like me to remove it I will immediately. I just felt that to educate others yours was the best and wamted to share that.🫡

  • @zemixboy
    @zemixboy Před 10 dny

    when running Chrome...

  • @user-nm6gp7kb2k
    @user-nm6gp7kb2k Před 10 dny

    He is showing our potato pc ram😂

  • @pgriggs2112
    @pgriggs2112 Před 10 dny

    Post, damn you, post! 😂

  • @stephensnell5707
    @stephensnell5707 Před 10 dny

    I use a manual ranging Digital Multimeter and I don't find it annoying at all

  • @hamzaakhiyat5250
    @hamzaakhiyat5250 Před 11 dny

    15 years body 🎉🎉 still helping 😮😮❤😂

  • @Dede_01014
    @Dede_01014 Před 12 dny

    thanks about the explanation, Finally I know about C rate and relation to Amper Hours. The video have helped me understand my problem

  • @kingcountywa632
    @kingcountywa632 Před 12 dny

    Ngl this guy is a pretty good teacher

  • @jankokert653
    @jankokert653 Před 13 dny

    Very good video. Thanks! What happens if the load feeds back some current, e.g. a motor? Is the circuit reverse current proof?

  • @Riyozsu
    @Riyozsu Před 15 dny

    Ah yes my favourite way to overclock ram, no need for a motherboard or any bios safety settings

  • @nanoanimate360
    @nanoanimate360 Před 15 dny

    wow 15 years

  • @nanoanimate360
    @nanoanimate360 Před 15 dny

    .

  • @dsevenb
    @dsevenb Před 15 dny

    Awesome as always . Makes me understand stuff so much clearer

  • @hunterthecoyote
    @hunterthecoyote Před 16 dny

    Me: buys expensive motherboard and wires it up and plugs it in to test it Motherboard:

  • @DineshKumar-ci6gn
    @DineshKumar-ci6gn Před 16 dny

    15th year ❤, thanks

  • @JasonSmith-qx3zh
    @JasonSmith-qx3zh Před 16 dny

    Thanks for going by a class 101 approach, excellent and to the point. This is how to get subscribers.

  • @ablueslime
    @ablueslime Před 16 dny

    3,350 comments and 142k likes 12 years ago and 10m views, good job!

  • @Etrehumain123
    @Etrehumain123 Před 17 dny

    Oh, so you could power 1 to 10 leds without thinking about adding resistors...

  • @martinmalecki3302
    @martinmalecki3302 Před 18 dny

    keep the change...

  • @jaxonwilliams6640
    @jaxonwilliams6640 Před 19 dny

    can you explain how to make that a nerf turret with dual rapid firing chain guns?

  • @ing.biomedicaenlapractica6871

    This is pure gold, thankyuo

  • @vinaychandra498
    @vinaychandra498 Před 20 dny

    Can I replace 47uf 450v capacitor with 33uf 450v capacitor?

  • @adityanurardy6220
    @adityanurardy6220 Před 21 dnem

    at 3:35 there is ringing and stepping, normal signal not have step right?, what it is called and what the solution?

  • @lynx348
    @lynx348 Před 21 dnem

    4:06 So you're saying if an LED blows up in my face I will look like Arnold Schwarzenegger? Sounds like a good deal to me!

  • @qezxchris
    @qezxchris Před 22 dny

    i think it caught on fire

  • @tomference4618
    @tomference4618 Před 22 dny

    Informative,...thank-you.

  • @JustVisitingYourReality

    I recently channeled an answer for a client who wanted to know if they had advanced technology long ago, what it was, and how it worked. The answer mentioned Amps frequently in relation to antigravity machines. So, not knowing anything about amps I came here!😄

  • @asterisktic
    @asterisktic Před 25 dny

    2:55

  • @tommccarthy1914
    @tommccarthy1914 Před 25 dny

    😳

  • @oeliamoya9796
    @oeliamoya9796 Před 25 dny

    Exactly what I was looking for. Understandable and concise. Thank you for making this so clear and NOT adding any annoying music. I'd upvote this TWICE if I could

  • @justinjones2901
    @justinjones2901 Před 26 dny

    I still don't know what pwm is

  • @MaxymDemechenko-om8lh

    Why y'all watching just a RAM burning??Why did I watch it??Who am I??Why am I???Why I am exist??

  • @abdulkhaliq-vk7vf
    @abdulkhaliq-vk7vf Před 28 dny

    Superb Explanation sir, Thanks a lot..

  • @mahsam6878
    @mahsam6878 Před 29 dny

    Wow. You explained all I needed to know in under 5 minutes!

  • @ashuntu2010
    @ashuntu2010 Před 29 dny

    A MOSFET attached to a DC to DC boost converter also gets hot 🔥 super hot maybe because of this reason only . Please suggest . Thanks