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LED Tutorial: Light a 10W LED from 12V - Simple & Cheap
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- Опубліковано 6 сер 2024
- Help support Julian's LED videos on Patreon: / julian256
A cheap and simple way to connect a 10W LED to a 12 volt supply. A current regulated LED driver keeps the LED at maximum brightness, while a heatsink and fan keeps it at a safe temperature. Total cost of parts, including the car cigar lighter plug and cable, is around £4.
2 Pin 50mm DC 12V VGA Card Cooler Heatsinks Cool Fan SY r.ebay.com/jVvnaY
5 X High Power 10W Warm White DC 9-11V LED Beads Lamp Bulb Chips 900-1000LM SMD r.ebay.com/BHbfHJ
1pcs Power Driver for 1x10w LED Light Lamp 950mA 12V MR16 www.ebay.com/itm/1pcs-Power-Dr...
12V 24V Male Car Cigarette Lighter Socket Plug Connector On Off Switch 1.5m DBX r.ebay.com/SLv2Op
Brilliant. Thank you for explaining that voltage/current curve. Helped my understanding of LEDs no end.
Thank you so much for putting the time and effort to make this presentation informative!
Great tutorial. Very helpful. I would love to see even more of these "simple and cheap" LED tutorials. You are a great teacher. Best wishes.
kccustomuph Thank you. Most kind.
A very good, clearly explained and educational video Julian.
Great job, I must be sure to try this! Once again another informative video, thank you.
This is really clever. I want to make my own led stick kind of light for working on cars. This is giving me some ideas.
Why don't you remove the Graetz bridge diodes if you already have the correct polarity?
I removed those 4 doides in my one and it saves a lot of wasted energy (voltage drops on the diodes and heat).
I also could use those Shottky diodes for other circuits etc.
Julian, thank you for the links to the components. Very helpful!
Julian great work your tutorials and reviews are inspirational
Thanks for the video Julian that's cleared up a ton of stuff for me.
I love the 101-level vids! Thanks brother
Fantastic Video Julian. Keep up the great work. Nick.
Excellent Video very well done and a great beginners guide to Leds.
What a nice solution to all the project dear mate! Excellent explanation of all the project and components. Regards,
Great video! Thanks for taking the time to make it.
Hi Julian this is a great tutorial, my led's have arrived also my fan, just waiting for my led driver. This has helped me so much I never new you could not connect them direct to 12v, I am new to all this. Thank you very much.. John .. :)
I just received some of these and I thought they would have a current limiter circuit built in. When I saw that they didn't the first thing I thought was 'Julian Ilett'.
Thank you for your ideas.
I have a similar setup Julian, I notice that most of the small 12v fans are quite noisy at 12v, so it's better to run them at about 9v or so. They still keep it cool enough and the noise is lower, they probably will last longer as well. I use a slightly bigger heatsink than your one though, I use a traditional looking one that is square and is 40mmx40mmx15mm and I just mounted a 40mmx40mm black ebay fan on the back.
Mine runs from 240v, so I have a switch in the extension cord (in line switch) and then a double adaptor which has the 240v-12v led driver to run my LED and then on the other part of the double adaptor I have like a small phone type charger thing which puts out 9v and that runs the fan, so they both turn on when I turn on the in line switch. I find that it's a pretty good setup.
Your setup uses 12v power supply though, which can be more fun of course. I would probably use a DC-DC step down converter and have that running the fan and then have the 12v driver running the LED. That's how I would do it with the 12v power supply.
LED's have become so cheap and it's quite cool how easily you can light up spaces now with low amounts of power.
Really super interesting vids and well explained. thanks
Nice little project. Thank you.
fantastic video! you're an excellent teacher.
Thank you ..someone who I can understand,others just don't seem to show what I need to know,also you speak clear..Cheers..
Extremely useful information here !
Great video
And by the way the led can take 5 amps if properly cooled at 5.4-5.6amps it will finally blow!! I have mine thermally glued to the heatsink
FIVE Amps? that is about 45 Watts
SUPERB tutorial. Thank you!
Thank you , good post. Didn't know about that fact. Keep making good videos.
Cool video! I have to troubleshoot a led light bulb, so it is good to know the circuitry, also your 9V test is nice 8-)
Great video. Very well done. Thank you.
cool video, thanks. I was wondering what the voltage reads at the led, and how many amps the whole unit is drawing?
Thanks, really well explained.
Very informative ,thank you for that video.
Many thanks for this vid. I keep losing model aeroplanes in cloud, and am going to try fitting this led and driver cct into a model to find out if it is visible at 2,500 ft. Will switch it on near cloud base or if vis gets difficult.
Very nice tutorial!
Well explained and clarified some issues for me. - Not so shy about them now! Christmas is coming , dark nights still here - farz ma bitz!
Thankyou, clear and excellent. In order to keep my project quiet Re the fan heatsink, could I use just a piece of flat bar, say 3mm?
This is the ideal tutorial.. very detail.. tq for sharing.
Great video, thanks a lot for the tips :)
Thanks Julian - an enjoyable education.
That is beautiful... keep doing what your doing!
mrprofile101 Many thanks
Thanks. Very nicely done!
Useful video !
Thanks !
Wow that was great! I would like to see you do one on 30w LED.
Wonderful video.
Great Job MR Ilett.
Julian,you did it again. Great video and a knowledgeable teacher, handsome project as well. I finished a similar project. It works great. Using 9volts not 12v deacreases heat generated, brightness is almost the same.. Always use a fan (in heat sink) to keep your circuit healthy. To know if heat sink is required;just turn it on for a couple of seconds and touch the back side of LED and judge the necessity of the heat sink. Good luck guys.
Yes do NOT use Math or Science to determine the heat-sink. Instead see if your fingers get burned. 1st degree burn - bigger HS, 2nd degree-much better HS 3rd degree - HS with fan
so many idiots in the world..............................
Well it does appear I have found a great channel and must subscribe!
Beautiful work, can't thank you enough for the good work ..... on the 1W LED do you need a fan if connecting 6 of them?
Nicely done. Two questions please: Q1: can i use the same setup but with 100w instead of 10w. If not what do you recommend?
Q2: can i attach 4 led's instead of one?
thank you
so interesting. thanks for your video
pls give procedure to glow 20 leds 10 watt. for my aquarium what driver and input required ?
Thank god for a tutorial in yt without an American accent! If I hear the word 'sodder' one more time...!
But oh no, have you just ruined all my plans by telling me I can't run an led directly off a 12v battery and now need a driver on each one? I've just made four 12v strip lights using those self adhesive strips of multiple led's and two floods using cobs, all direct to a thumping great big 12v heavy duty battery, everything works, I've even left one of my home made strip lights (mounted on a 6ft x 2inch metal corrugation cut off a roofing sheet with aluminium (note correct spelling!) tape reflectors on for an afternoon just to check it works and it did, the floodlights too, wires soldered to the cob (rated 12v to 36v) with croc clips on the ends, it all works! What have I done wrong or in the 5 years since you made this vid has led technology changed so that drivers aren't needed? Please say yes!
Hello, great video, I would like to know if I had 2 sets same as this one (2x10w led, 2x drivers, 2 heat sink with fan) what kind of power supply do I need to make them run at the same time and how do I make the conections? Im trying to make a reeflamp but not sure how to make it happen
Thanks very much for this!
I need a non-flickering mains powered light source for high speed photography - will any 12V mains supply be OK for this to power 3x10W LEDs?
Thanks mate I learned something today. Thiers's these led chips from Stratus Led that I wanna get into cuz I love bright lights and so I wanna learn some things so I don't fry another led bulb by plugging it into 240v wall lmao thank goodness I didn't get hurt just a loud pop
When watching this, i was wondering if you could find a 5v LED driver, to "build" a arduino into a car, and simply use a driver to control the current at 5V for the arduino unit?
How bright is 10W led in compare eg to CFL ?
Great tutorial BTW :)
hi... im going to make this :o) just ordered the parts
Very nice video. What will happen if i use a 12V, 6A power supply? will the LED controller produce too much heat?
A cheep 2A PWM controller to vary the input voltage and a 12v battery may be a good and simple straight forward solution to power and dim those LEDs .
Those 10w 12v COBs seem to have protection built in. I just have bought 3pcs for $0.3 each.
I have connected 2 of them in parallel and drove them from a 15v 2A power brick using a $1 PWM controller module. Once the output exceeds 13v @ 2200 mA the COBs automatically shut down and start working again when lowering the input voltage.
Quick question. Im going to run 4 3-3.6v cree leds. can i use a 12v driver ore do i need a driver for 3v then? Thanks
I have some old 12v DC supplies around. Do I need them to be any particular amperage?
Could I also use the same driver to add a few of these in parallel (One power supply, one driver, 3 LEDs)? I would use a longer heat sink of course.
Thanks.
Just got in some 10W led's yesterday and played around with them for a few hours. From what I can tell you dont get much of an increase in brightness once you exceed 10.15V or so. So they end up being pretty bright at just 4W, other then a rapid increase in current usage they did not get considerably brighter above that.
Once I get my heatsinks in I will do a side by side comparison of both the Warm White and Cold White led's at 4W and 9/10W.
9V batteries also have quite high ISR, which will limit the current, to an extent. You've given me a few ideas in this vid though! :)
Hi Julian
Awesome video, very informative.. I am a newbie to LED world, If I have to connect 5 of these 10 w LEDs in series I.e. +ve to +ve and -ve to -ve wiring and drive all 5 of them with a 12 v 2A LED driver, do they all turn on at full brightness, does the current get divided between each of those 10W module?..given these LEDs are rated at 900ma do all individual 10W LEDs get 2A current? .. Thanks a lot...
Fiy i have been running an led on 12v for the past year in my room. Consumes 22w and has not failed yet although it is nearing the end of its life. Theyre certainly 12v compatible. At 13 and up they keep burning.
Nice work.
Many thanks for this video/intro to using COB LEDs.
I'm working on a DIY cine film scanner project and have so far been using an array of 10 rectangular LEDs as a light source. These COB LED packages look like a good solution for packing lots of LEDs into a small area. So I'm looking for a light panel area about 10mmx10mm. My project already has an Arduino and some stepper motors too, so there is already a 9Volt Maplin power supply powering the rest of the project and I'd like to use this to power the light source too.
I've only just found out about COB LEDs today and have been looking to get something to try. I'd like the most 'neutral' white (4000k colour temp) and High colour accuracy (High CRI) would be nice if possible.
I think 1W or 3W units would be OK, I probably don't want any more power and I do want to be able to run off the 9V PSU.
It seems that the 1W ones are usually very small beads so may not have a large enough light area. I've seen a few 3W ones that might be large enough, but I'd worry more about heat/burnout issues.
So can anyone help me spec/source the right COB LED for this project please (I'm in the UK.)
Many thanks, Chris.
my consulting fee is 20 USD per hour
Hi Julian and thanks for the video. I am looking to flicker a 10w led just like the in this video, I want to use a pic clicker to trigger the flicker rate which uses 3.3v. Could I use FETS for this and if so what would you recommend.
Best wishes
Charlie
If you were to be using these in an automotive application, and had them at the front of the car to light the dark mountain roads, would the airflow be enough to keep them cool? Or would you still recommend a fan?
Though the layout is not good, the tutorial is excellent covering in detail about the steps and requirements.
*****
Hi David,
I am new to LEDS and need some advice. Would you be able to assist?
laura taylor I am afraid I can't help. I am into software and programming.
Hi Julian,
Recently I've ordered 10W LED lights to create my own LED grow light to start grow vegetables indoors. I'm do understand the basics to create something like this. Do you like gardening or growing vegetables? It would be nice if you would look into this matter. Perhaps you can make a video about it. It would be very helpful!
Cheers,
Does the regulator step up as well as down? I have a few I used with the 9volt and regulator for the most amount of light. Never tried 12volts. If it is current limiting then. Itd only take what it needs because the voltage drop inhearent to the leds power requirement?
Can you double up the power regulator boards in parallel to drive a 20watt COB led?
very good video hello, excuse me if I wanted to connect one led to a 12 or 14v car. that you recommend transistor or will it better resistance ??
Great Video. Thanks.
Very helpful thanks!
Great video. So I can't connect it directly to my 12 v battery. What if I have a 6 leds in series. What do I need to add then.
Cool video
What happens if I use as power supply only 2 cells of LiIo Battery? (14500)
I want to use the same driver as you (but the 3W Version) but I don't have a 12V supply, only these 2x3.7V, so 7.4V from my batteries.
Have you ever made a measure of whole system's power consumption? I'd like to know the efficiency.
I've ordered 5 of these 10w led for an aquarium lamp along with 5 fans/heatsink.. does that mean i need 5 Drivers like the one in your video or do i just need the one hooked into my power supply?
Hi Julian, my first comment on one of your videos. I find these very well made, you give all the info. I really appreciate the fact you gives prices and sources to the items you talk about, a great format. I was just wondering though, are you by chance a policeman?
Morlanius Thank you kindly. Policeman? No.
i have just got a couple of these units to replace the pcb in my cree spots for the bike when i wired them up the led comes on but is only been supplied 2.5 volt and at 10ma when i tested with the stock pcb i got 3.6 volt across the lead and alot higher current any idea why these units are not supplying full power
Could you use heatsink plaster or that Arctic silver epoxy to attach the led instead of the screws?
thanks Julian, I'd like to put a couple of those on my car.
Nice vid 👍🏿
hello im curious about using a GU5.3 or MR16 LED / Cree as Vehicle headlights do i have to use the Driver??? just a curious experiment an cheaper way then the HID Ballast setup alot of people are buying now days.....
Awesome video. Thank you Sir! Just chuckled when I saw you drill what I initially thought was a COPPER heatsink, only to turn out to be Aluminium with a copper electro coating. Are these Chinese people cheeky little buggers!
mictho100 Never seen a copper heatsink. Aluminium is industry standard. The anodizing is a nice touch.
Could a bunch of these be mounted to a 10mm thick aluminium bar to use as under cupboard lights in the kitchen?
If so what kind of power source would be needed?
I assuem I can use dc - dc regulated converter? they are also efficient. like xl4015.
Any thoughts? I have 4 10w leds forward voltage of 9-11 watts and 900-1000 mA , a power supply ac to dc 12V 5A 60W and a Voltage Regulator DC 4-40V to 1.25-36V 8A Buck Converter, 36V. Should I run these in series or parallel ? using heat sinks also. the buck also has a potentiometer on it to raise or lower or even shut off
is the fan essential? i thought of using one of these for a desk lamp but it seems a bit ott to have a fan cooled desk lamp! incandescent bulbs get pretty hot too, are these even hotter? if i make sure the led isn't next to anything that will melt will that be ok or will it self destruct? thanks for any possible replies.
Can you make video like this for changing temperature and zooming? I like to have light Lowel gl1.. thank you
You can raise efficency of that assembly by simply shorting input diodes as you power it from DC. That should yield 1.5W (or 0.8W) decrease of power consumption by getting rid of voltage drop on silicone (or shottky) diodes.
+mibars Of cource you can, but the rectifier bridge has nice advantage: it protect the circuit and the led from inverse polarity.
nice video, JUlian, Can I use multiple ( 2 or 3) 10W LED into 1 power driver or do i need to use 1 power driver per 10W LED? Thanks
HI how many 10w LED COB Fire Rated Downlights would I need for a 1900mm x 2001mm bathroom ceiling which has upvc cladding, any quick professional answers would be greatly appreciated.
Hon. Can we use resisters for each led chip,like other led of 5 mm and similar to that?
very nice tutorial,
but what about putting this in a car with working alternator on 14.4 volts?...
cause i build headlights with high power leds, but i want to optimise..
Hello could you explain me please how a Gu10 led bulb that you must plug on 230 volt works ?
What does it contains in it exactly ? Can't find the description nowhere on the web ?
Thank you so much.
so im assuming you need one driver unit just to convert the voltage correct? you dont need it for every single led? and can this be run off of batteries?
Very well done educational project. Thanks and, Respect.......Seven Thunders.......
Let's say I want to attach 5, 1 watt led chips to a heat sink, and then connect each led chip to the driver in parallel. Will the driver give each led 10 volts equally? Or do I need a driver for each led chip?