Hello, thanks for the informative video, I want to create a pulse generator that is synchronised with the chuff sound from a model locomotive fitted with a sound decoder. As the frequency output of the sound decoder( the chuff) increases with speed. I am hoping to be able to drive an atomiser transducer circuit (these are readily available from Ali Express very cheap). The end result will be a burst of steam from the chimney synchronised with the chuff sound. kzbin.info/www/bejne/jnXMfmyig9aNrbs Hope you can help regards Peter Dolan

داداش دمت گرم ولی از صدای هوش مصنوعی استفاده کنی بهتره، لهجت نمیذاره بفهمیم چیمیگی عین الکتروبوم

He keeps calling the LM339 an OpAmp. It is NOT an OpAmp. It is specifically a comparator. While similar, a comparator is only capable or generating a HIGH or LOW square wave output. A comparator cannot "follow" a signal voltage- for example, in an audio amplifier. The gain of a comparator is always "infinite". Hysteresis can be added, but the gain cannot be modified.

At 16:43 you claim that the charging current of a battery should be roughly 1/3 of the nominal current and that the battery you are showing has a nominal current of 2.000 mA. Both is wrong in my humble opinion. First of all the battery shown has a *capacity* of 2.000 mA*h*, which does not say anything about its discharge current. Usually, a charge current of 1/3 the capacity value ("1/3 c") is ok but most lithium cells can be charged with much higher currents like 1c or even 2c which means you can charge it from empty to full in 1 hour (or 30 minutes for 2c). Always refer to the data sheet, monitor temperatures and do not leave lithium batteries unattended when charging.

عالی مهندس🎉🎉🎉

Nice video. Short to the point and very useful for my electronic and amateur radio hobbies. Thank you.

thanks for the great video! I hear a slight turkish accent in your speech, but judging by another comment, I assume you're not turkish. Anyways, thanks for the various application possibilities!

Also you do not show or explain what you are using for power input cord or what the power supply is that you use. Could you show that. Also can this be made to work with line voltage 120V plugged directly into the wall outlet 120V 60Hz.

It would be very helpful if you included a list of the components part number used to build this power supply in the description section more tab. and maybe the instructions on how to build it. That way we don't have to keep referring back to the video.

Can you do a video on making PCB's designing, etching and creating circuit boards for projects. I have seen many different methods but would like to see how you do it and am sure others would also like to see how you make them. Also what program do you use to design the circuitry ? Also what chemicals do you use?

I thought that common collector meant that the collector is connected to the Ground?

EXCELLENT PRESENTATION!I THINK I LEARNED SOMETHING NEW ON SENSORS.WHAT MATERIAL IS THE SHUNT RESISTOR MADE OF?HOW DO THESE WATER SENSORS WORK AND,WHAT MATERIALS ARE THEY MADE OF?

Can you explain working principle of crystals.🎉🎉🎉🎉🎉

Thanks!

so interesting

Always helpful! Thanks

New subscriber here. I have a question about voltage at the Base. Can I use positive voltage or Negative voltage at the base of BJT NPN or PNP transistors? or does it matter which type (NPN, PNP) gets positive voltage or negative voltage at the base?

Passive for modem.

There are a lot of contradicting and confusing explanations on the internet on how transistors amplify a signal on the internet. Your video is practical and easily the best explanation I've found. Well done!

Learning a lot. You teach, we all learn. It never ends. Keep going!

Another INTERESTING video of electronic, explained with clearly and examples! And in an english easy to understand for my ears😂 Greetings from a hot summer afternoon in Argentina!

5:15 Comparators 18:13 Simple Amplifier 27:33 Differential Amplifier 46:37 Voltage to current converter

Great. But lose the music and silly sound effects. Otherwise helpful to noobs.

Great video with some priceless points.

Thank you for this clear refresher. After 30 years out of electronics, i will enter this fascinating world again! 🎉

Thank you Sir for the amazing content ❤. I learned so much from this series and can't wait to learn more from you 😊. Thank you for sharing your knowledge and experience with the rest of us 🙏.

mobile cpu is much powerful than esp32 why dost we use mobile cup for calculating and add ai in our microcontroller project ?

You have a great stage presence. Very well done. I think you have convinced me to start with this rather than arduino.

Very nice 😀👍👍

thanks for your clear explanation.

great video! I'm building an Arduino driven fuel injector tester--I am using Arduino to drive 6 injectors using mosfets.... the firing is very quick and needs to be precise. Was initially planning on IFR540's...Do you think it's better to use a very quick logic level mosfet? Amperage is one amp max per injector...looking at 3-12 ms duration of each pulse and up to 30 pulses per second. Any recommendations would be gratefully appreciated! also has to be N type

Great post!

Oh dear delusion enters the tube.

This guy is full of shit. These modules are completely safe when used properly.

how do like your Zoyi dvm?

Simple and clear! Thank you! From Bulgaria.

music is annoying because i am using ear phone

That's all he knows about MOSFET in 18 min video.

That was a really good video! Didn't bombard with information or maths, but had enough to learn and reproduce! Thanks

9:06 isn't that diode the wrong way? Or do you use positive on the bottom of the circuit?

thanks.

Highly descriptive and understandable videos. thanks

What about looking up the needed spec.s of the motor ? Your video is good , but seems like random searches - then looking up spec.s ? Thanks

When we use 555 on testboard the circuits are ok.but when use the same circuit on pcb we got unpredicatable behaviore like undesirable startup if one pulse generator

No matter how you look at it, these cheap and simple modules are a gift to humanity.

I love the Hitachi 2SJ50/2SK135 ,experts will like the sound of this ones ;) And when driving a motor, never forget the diode to avoid feedback.

Nice video, but i cant see your inductor

early in the video with the load in parallel with the inductor you said the current goes through the load when the switch is turned off. Why will it not go through the power supply?

Good video. I do think it is important to mention that the Vgs(th) voltage is where the mosfet just barely turns on. Other data sheet items need to be considered to ensure that it is fully turned on.

Well timed videos. Was just learning about MOSFETs as I need one to drive a heating element with an ESP32. Your videos helped me make an educated choice. 👍