How to calculate Resistor value for LED series and parallel circuit with Ohm's Law
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- Опубликовано: 3 окт 2024
- In this video, I have explained how to calculate the resistance value for LEDs for both series and parallel circuits. It is very important to select right resistance value before using LEDs in a circuit otherwise the LED may burnout.
I will request you to watch the complete tutorial video of the LED wiring basics calculation but you can also jump to any topic by click on the following Time Stamps:
01:03 How to wire LED lights in series and LED resistance calculation
05:24 How to wire LED lights in parallel and LED resistance calculation
Previous video Link:
How to calculate resistor value for LEDs in circuit @9V and 12V
• How to select resistor...
Basic electronics tools I use in my videos:
The 12V 10Amp DC Power Supply -- amzn.to/2qnMwp9
Basics Electronic Components Project Kit -- amzn.to/2sHpwSE
After watching this complete LED tutorial video you can easily connect multiple LEDs in series & parallel circuit and calculate the resistance value for LED. You also select the proper wattage resistor for the LED circuit.
Here I have used simple ohm's law to calculate the resistor value for the LED circuits. Similarly, you can also select the resistor for the IR led or arduino circuit.
In the next video, we will make a combination of series and parallel circuits with multiple LEDs.
#LEDresistor #SeriesParallelLED #TechStudyCell
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Like your presentation as I am retired and now electronics as a hobby and really likes your explanation. Great!!
Thank you very much!
I am just learning this stuff about electronics at 61 Years old. This is just the kind of explanation I need to get it through the meat and the gristle. :-) Thank you so very much, sir. I am looking forward to your other videos on these subjects. :-) :-)
Intersting and very easy to understand also.
Really liked your video breakdown especially measuring in between the lights and seeing each lights individual voltage in the circuit. Trying out a lot of stuff during covid trying to stay home as much as possible. You just got another subscriber and will recommend.
Thanks for your feedback and support
Very helpful. Very thanks Sir.
Welcome
Very impressive, setup, presentation, you have good imagination.. keep it up. good luck
An excellent video. Clear, detailed, precise without time wasting.
Glad it was helpful!
Guruji....Tu sii great ho.....I become your fan... In my entire engineering (theoretical) which I not understood that I cleared in your couple of videos...Thanks bro
You are welcome...
Helpful video 👍
Thanks.
Thanks 4 providing such detailed information
Otherwise other people only copy same topic
Your video is different from other with series and parallel combination with live demo
Keep it up 👍
Thanks and welcome
@@TechStudyCell
Sir make a video in which use bike fog light to glow direct 24v or 36v using resistance and led ( series and parallel connection)
And bike horn direct blow with 24v or 36v
I haven't found yet how you know what the Current is able to be supplied by the power source you choose. But I may not be understanding the relationship well enough yet between Current, Voltage, and wattage. Even knowing the formula, I haven't found a good explanation of the supply and demand relationship to where it makes sense to me. However, I am still learning.
Hello Sir. The amount of current that a power supply can provide must be in excess of the current that the circuit will draw.
For these examples, we see that each LED has a *_Current Draw_* of 20mA, as shown in its data sheet at 0:55 into the video.
So we look at how much current the LEDs *_Draw_* or pull from the power supply.
Any excess current capability in the power supply simply goes untapped. Hope this helps.
@@richardhead8264 Thank you, sir. So if you use a variable power supply to power an LED circuit, it is the voltage (if too high) that can hurt the LED, not the current (as long as it is in excess of what the LED needs) ?
@@halfbeardsilvertongue5129 Yes, exceeding the maximum voltage of the LED will destroy it. However, a power supply with a current rating that exceeds that of the LED, will not harm the LED, since the LED will only draw the amount of current that it needs.
To prove this theory, I just connected an LED to a 3V power adapter with a current rating of 1.5 Amps (and no resistor). This amperage value is 75X greater than what the LED draws. Yet the LED shined bright and cool to the touch.
@@richardhead8264 Thank you so very much, sir! The confirmation was what I needed to be sure.😁 I understand it now. May you always be able to find what you need, and always be able to enjoy all that you have! 😊
Bahut hi sandaar sir
Thanks
Very clear explanation. Thanks for sharing.
You are welcome 😊
Super
धन्यवाद
I like your clear explanation following the scientific method (hypothesis -> theory) and it gave me the general understanding I was looking for.
Now I would like to propose you a deeper experiment to show us a parallel circuit where there are several pairs of different coloured LEDs and each single LED has its own resistor: with this system I've just learned you will have a more efficient circuit i.e. even when one of the LED will eventually burn out the others will continue to work, or you will need resistors with a much lower Wattage, although you will have to solder a few more than a single one. The parallel LED circuit for me is a necessity since I have a limited power source from a controller board that varies from 5 V to 7.4 V depending on the connectors
If you will go through this demonstration it will be much helpful for my RC projects, and hopefully it will help others as well.
Namahskar
Ok. But you can also refer this video ruclips.net/video/z4nMBDDC9zw/видео.html
@@TechStudyCell Yes, I also saw that video and again it's very clear.
Iirc you are again calculating for a single R in a parallel circuit where V remains the same for each Led but I (current) is the sum of each LED's mA value that are present in the circuit.
In a circuit with a single R it will be difficult and complicated to calculate the proper Ohm value when you have different diodes, and as I said if une of the LED burns also the rest of the circuit will be out of balance and burn or not work properly...
Thanks for considering this matter.
Sir, You are very nice explain with practical also, please sir I want to 6 nos RGB LED glow with 5v, I am Calculate also 17ohm Resistor & .24w, Can you reply me?
Hello sir. Thanks for that good explanations..
Please tell me, if, instead of 12v I use 5v supply, and 2 leds in parallel, after your calculations explained, I need 3 ohm, 1.5w resistor?! And at 5v 2 leds in series is not possibile!?
It's a helpful video...
Thanks for sharing...
You are welcome 😊
Sir smd led(flate and button) per v series and parallel connection ka video baneye
Excellent explanation 👌
Thanks for your feedback 😊
Very good presentation for beginners quite comprehensive!¬
How about doing Led Rice lights thats a more tricky situation!
pro trick : you can watch movies on Flixzone. Been using it for watching all kinds of movies recently.
@Landen Nixon yea, I've been watching on Flixzone} for since november myself =)
Wattage will increase by series or parallel ?
Dear Sir, i brought 4V COB Led strip. In the strip have 30LED. I used 4V 2.5Ah battery . How much I need to connect ?( 4ohm 10watts ) and how to calculate the working time ?
Very helpful 👍👍 keep it up
Thanks
Sir 3watt ke led me kitne oms ka resistance lagana hai
Superb video brother... :-)
Thanks
Sir i tried this ckt but that is a problem resistor was so heating.......what i do to solve this problem...?
This circuit is for demonstration the calculation... not for use
If there are 4 led of 3v..then resistance value...?
Thank you sir
It's a helpful videoNight
Thanks for the feedback...
Sir how to run 50 leds in parallel like leds connected in series on 230 volt
What can we do if the led voltage is higher( I mean used 10 plus led of 3v each) than the input volt?
Pl explain. Thanks.
Hello sirji
If we connect single White led to 12 volt how many ohms resistor should I use.
Pls reply.
1k
Thanks @tech studycell for this informative video. I would like your help in calculating the driver and resistor required to light 10 number of 3 Watt LED diodes.
Hi, if use SLA battery 12V 6Ah, what is the iL?..is it 6Ah?
What resistor would I need for 3x 3v led using 12v
Sir please do a video with AC power supply for 6 leds
How to connect in parallel 21 nos of 3v 3mm led bulbs to a AC current source
In series, is not necessary to add two bulbs amb, I mean.0.02+0.02 to calculate the circuit?
No, in series the path is same so same current will flow.
In series. Voltage divide
In parallel. Current divide
This is right .💯👍🙃
Thanks
What if i connected 20 led in series
thank you very much it was really help full to me so can you please tel me if i want to connect another device which is higher voltage than those using 6v or 3v i want to connect 13v device so and i have only when series after led 6v when parallel 3v how can i get 13v what device should increase my voltage thanks
Sorry the question in not clear to me.
if in series you add the voltage draw of each led, why not also add the current draw to 40ma?
Because the current is same in series. For parallel circuit we have to add current instade of voltage.
Sir i want 4 led connect 12 volt how can i connect led 2v 20ma more life series or parallel... ?
4 LED in series with a 220ohm resistor
I have doubt
Please ask
Can you please help me
01). 8mm 50 led series (forward voltage 3.5v 150mA)/led resistance value and wattage?
02) Can i use four 1k 0.25w resisters instead of one 4k 1w resister ? My real concern is about watts i know we can use four 1k resisters instead of one 4k resister but not sure about using four 0.25w resisters instead of one 1w resister?
Thanks 🙏
Bro very nice explanation....just now Subscribed... 😍... Please provide the data sheet for all components that you have that is very much useful to me.. I don't have basic knowledge also in electronics but I decided to learn now through RUclips.... Plzzz support me... 🙏
Hi r u online bro
🌃
Hey can u speak slowly..