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I've been messing with circuit boosters for a little bit and i'm going to run a test a little experiment today, i want to invite you to join, to learn whatever it is that i learned we're going to find out if this thing is safe to use directly With a set of gtr headlights yo, this video is brought to you by custom automotive lighting, the book written by yours. Truly, it's a brand new product that i got out. So you could start your own side. Hustle make some bucks on the side and do the things that you really want to do, instead of being a slave to either your business or other things in life that you're trying to get a little bit of control over all right.

Let's go back to the video, so here's two different products that you can buy, one of these things actually has a little display on it. So when i turn it on - and i start adjusting this little guy right here - it's going to tell me what the voltage is being changed to so it's coming in at 12, volts on this side, and it's coming out at the voltage that i set it to On the other side, now the same thing is going to happen with this one, except i just don't even know what the voltage is unless i test it with some sort of a voltage meter, so we're going to do both right now. This is without the booster. At 12 volts we should see a way brighter output, looking super good, and it should give me that perfect switch back all right and if you get real up close, i'm going to plug them back in to the other circuit.

Let's see if this works yep crazy. So first thing that i did was: i got a couple wires ready so just power and ground and i'm just looking right here and it says voltage plus or it says v i n so voltage in plus and then voltage in minus, which tells me that i Need to have my red here and my black here, i'm going to do that. Then i'm going to hook it up to the box turn it on, and this box only puts out 12 volts, and i know you love that box, because everybody's always like hey, did you make that? No, i didn't, but i don't know where to find one for you anyway. Let's see this thing next, all right, so let me plug in power and i'm gon na plug in ground, and now, when i turn this thing on, we can see that the voltage is set to 14.5.

If i want to change that voltage, i can twist it to the left to drop the voltage, or i can twist it to the right to increase the voltage. So it's starting at 12 here and it's coming out at 16 there and the cool thing is even if i have more power coming into the front of it, it's not going to change anything. So actually, let's test that really quick, so we're going to plug it back in here now and again we're at 12.1, but here's the thing. Let's say we have this thing set to be pumping out 14.5 when the source voltage is 12..

So now it says: 12.1, there 14.5 here now's the big test. What's gon na happen, let me know before i actually test it in the comments below what number do you think this voltage is going to read now that i have it set to amped it up to 14.5 output when i plug it into a higher source power? Let me know in the comments right now: stop the video get ready, let's find out all right, so there's our ground, and here is our power and it's still 14.5. That's freaking! Crazy! That's actually really cool! That says that this thing, regardless of the fact that i have 14.5 volts coming into it here and then only 12 volts going into it there, it's still taking that power and it's turning it up. So if i start messing with this input power, it actually doesn't make any difference as to what it's it's bumping it up to.


So that's really interesting for me, because what i don't want is to have something amp it up even further and when you start the car they need to be putting out like 20 volts and fry leds, all right, we're gon na. Do it a different way? This time now it's at 11.5, i'm gon na do it, and this is like john said like as if we were starting the car so now we're connecting it it's reading 14.5 now we're gon na actually increase the voltage after it's already connected and it's at 15 Volts coming in right here and it's still at 14.5, so it's actually now taking power in and dropping that voltage just based on our setting here on the little dial. So i'm i'm actually kind of impressed for a minute there. I was scared.

I thought that this thing was going to be changing and like overpowering leds. This is a super safe way, then, to actually increase the voltage to the leds that you want without worrying about it being too bright later on all right. So now we're actually going to do this with some leds live to play with it a little bit more again. This is why you watch these videos.

I want you to be able to use my money in my experience and if i fry something it's on my dime, not yours, so let's learn together in a way that costs you nothing. So now i'm going to hook this guy up to power and ground too bright too bright. It's hurting my eyeballs. I don't like it.

Let me turn this thing down: really quick, yikes, okay, so that was that was full running brightness right there. That was with the car on you. I can't imagine you would want anything brighter than that in your lights, especially at nighttime chase. Come on full.

This thing is hard to mess with. Sometimes it's really hard when you can't. Ah man that's at 11.5, so this is about resting output on this bolt. When you don't have this thing set up.

Okay, so we're going to go from 11.5 volts and start cranking it up, and this is 13.6 - that's 14.5 right there. That's really freaking bright! Now the scary test, i'm gon na, take it out of that. I can't see anything right now. Now, i'm gon na plug it into this guy.

This has 15 volts pumping out of it right now and boom 14.5. That is so dope. This is scary, cool stuff. So if i adjust it over here yeah, it is not messing with anything.

That's amazing. To me this has nine volts. I could do this ooh. Let's do this with a nine volt battery and see if it's that bright, that'll be dope all right.


This is a brand new pack, a nine volt batteries that i happen to have sitting right here. So if this works, this will be crazy. This will drain the crap out of this battery, i'm guessing because these are so bright, but, let's find out, ah nine volt. Doesn't have any balls, so this is why we call this experiment friday.

I don't know what i'm doing it's just kind of fun. I guess definitely not do this yeah. Nobody ever do this in life, i'm like just as a a warning. This is not smart.

Oh here, let's do it this way, that's more! Better! Sweet, okay, geez ready! Here we go we're gon na try this again all right power ground, hey, not bad, not bad! Watch! It's just gon na like eat through the batteries right now, just drain them dead. That is pretty cool, though i i feel like it's getting it's getting brighter. Look at it, it's just taking a while. I can't see anything.

Oh these things are gon na blow up. Okay, all right hey if we could take nine volt batteries and get that much light out of it. Obviously, these little circuit boosters work, but you probably need a little bit more balls than a couple of batteries to make it happen. Okay, so i'm gon na do this one next, but on this one i actually have to solder some stuff up, so we're gon na do two wires to the beginning and then the two wires on uh the output side, i'm actually going to hook them up to A volt meter so that we can test it because i don't want to burn up any leds trying to make a youtube video.

Okay. So that's what's next! I hope you like the montage. Now we got this thing all hooked up. We are going to test to see what kind of power it's putting out because it's hooked up.

I just don't know how strong it is right now, until i put a voltage meter at the end, all right moment of truth wow. That would have been bad news if we hooked that up to the leds first, 27.9, volts. Okay, let's turn this thing down a little bit, wow very weird, so i am i'm tightening this screw down and it is. This is the exact opposite of the other one? I'm a little bit nervous, let's see if i'm about to blow a bolt for youtube.

I need to get a lot of likes on this video because maybe that'll like trigger youtube to like trick people into watching it and then it'll be worth it. If i have to replace this part ready here, we go give me a like for the algorithm. Oh, that's, freaking, bright, geez, okay, so they're very different. This one adjusts twisting it clockwise the other one adjusts downward by going counterclockwise, but they both clearly make a giant difference on uh on the output of these bolts.

Now the question is this: is at eight volts. So now i'm really scared. Let's see what happens when i turn the voltage down on this guy. Oh that's interesting! Okay, new plan: oh it's getting hot turn off wow, okay! Apparently this thing was working super hard because i turned the voltage down.


It was increasing the voltage by a lot. That was scary. Okay, i don't know what i'm doing but you're learning with me. Remember my dime.

These things go bad. You don't have to spend any money. Okay, this is what i'm gon na do. I know that this thing is working really hard, so turn it back to the left to increase output.

I think that's the first thing that we need to do and we're going to hook this thing back up to our. So this is really. This is actually important. Information, it is worth it to buy the part that has the little readout on there, because i feel this thing getting warm right now and it's scaring me.

We want to be at 12 volts and then i'm going to crank this guy down. I know i can be what i want to be all right. This is so far so good. Now, let's test it here.

Oh that's! What happened? Okay, good! I got scared. Okay. Last round of attempts john walked away like this thing's to explode so bright. That's so bright: well, we are going from 12.3 volts now to 14.5 and let's see what happens nothing so as i adjust the voltage now that i have it set correctly, i don't feel the temp shooting up.

It seems like it makes a difference when it's above 15 volts, which a car will never be wow. That's crazy. I think that's a successful experiment. I was really worried.

I was gon na burn stuff or blow up leds. Let me know if you've ever done a build that didn't come out bright enough. We did mickey's uh, suzuki cappuccino and the leds were dope. They were sequential turn signals and all that stuff, but the voltage did not match the output on the bench, because the car barely put out enough voltage to get that super bright turn signal.

So, in his case, we would use something like this to have super bright, sequential turn signals on the car. We just need to increase the voltage so definitely comment below. If you watch that video - and you want to see me - do a brighter better version in the future, we'll go down to san diego, we'll visit mickey and we'll include some of these buck converter voltage regulating boost circuits. I don't know what they're called.

I don't care. I'm going to link them down my amazon links below check them out. If you want to pick up a set for yourself and uh, i hope this helped.

By Chris

8 thoughts on “How to make LEDs BRIGHT”
  1. Avataaar/Circle Created with python_avatars Cosmos 32 says:

    Great content on your channel. I like all of the information that you are giving to help others learn. The "Modules" are in the family called "DC To DC Converters". You can get a Buck (Step Down) Converter which lowers the input voltage – A Boost (Step Up) Converter which increases the input voltage – And a Buck/Boost Converter that will do both in 1 unit. Raising the input voltage of 12 will decrease the life of the LEDs. Yes they will get brighter but a shorter life. Good idea to use better LED Bulbs than increase the voltage to a 12 Volt LED arrangement. From a 20+ year Electronic Tech.

  2. Avataaar/Circle Created with python_avatars Juan Perez says:

    Chris!! Great video man!! Thank you 🙏!!
    So can I use this product to brighten my DLRs on my C250 M-Benz? I noticed my DLRSs run at a lower brightness level when the headlights come on. I replaced the headlight bulbs with LEDs and now the DLRs look weak. You think this will work for me?

  3. Avataaar/Circle Created with python_avatars Fishhawk 1 says:

    I tried these on my custom led tails. I set up two on each side; one for brake and one for sequential turn. My Corolla did not like this. I threw an accelerator error deeming the throttle non responsive. Fortunately I was not in traffic and just pulled over and went back and bypassed the up-converters. Again, fortunately I installed plugs so this was easy. I learned the code often is a result of current backfeed. Then I installed diodes on all converters. This helped, but still threw the code and disabled the throttle, this time in slow traffic with long durations of brakes on.
    For now the converters are back on the shelf…

  4. Avataaar/Circle Created with python_avatars matiguirr says:

    hey, I hope you are well, I wanted to ask you what is the safe voltage for some led taillights which I want to make brightness boost, the particular led taillights come from a Kia Picanto 2020 and I don't want to break them with an excess of voltage.

  5. Avataaar/Circle Created with python_avatars Hillbilly Hydrographics & Vinyl says:

    Now setup for current readings and do it again 😳😎 it's the amperage the does the work, voltage gets you there, and your resulting wattage will come out in either light or heat which is why you cant run high-power LEDs as singles without a Driver. 😂 Or one of those 50watt 6ohm resistors 👀🔥. Always better to generate light vs the heat

    Ohms Law
    Volts x Amps = Watts

    The LED data sheet will usually tell you about how far you can push. And if your LED is a constant current LED then voltage won't matter much anyway… Always a trade off somewhere.

    They have those in dual volt too BTW. REALLY handy for Blue GHOZT when you need both 5v and 12v. Some regulate the current too.

    Search CCCV Regulator

  6. Avataaar/Circle Created with python_avatars Ivan Marinov says:

    OK Chris,

    I play with LED lights quite often. LED light requires constant current and amperage to work for a long time. As you increase the voltage, you increase the intensity of the light, but the brighter they are, the more they heat up. The hotter they are, the faster they will go out. As your fan and friend, the brighter the light the better cooling will be needed!

    P.S. – I exclude situations in which you have to supply, let say, consecutive 5 pcs (3.3V) LED. Yes then you will need 16.5V from a 12V battery !!! 🙂 (this is just an example)

  7. Avataaar/Circle Created with python_avatars noahkb80 says:

    Ok got an 08 silverado with some aftermarket headlamps with the c bar style halos. I recently pulled the garbage that came in them and replaced with some quality blue led little mini type strip things. The way it's set up is the leds just shine into the end of this plastic light diffusing bar ( sorry for my ignorance with terminology). They turned out pretty good so far , but you know, could always be brighter . I have no issues with voltage. Big 4 upgrade on my truck with volt readout on dash and truck stays right around 13.8- 14.1 once you turn on any lights. It'll drop to mid 12s during day with lights all off. Being an 08, it's go that RVC that always screws with the voltage, but my electrical is as solid as it gets. Double and triple checked all my grounds etc.

    So would/could I just add one of these inline , one per side, to crank up the brightness?

    2 other quick questions if you have the time. 1- is there any way of painting a reflector bowl for the high beam black and it still actually produce light? My low beam is a projector and entire housing I painted high gloss black, and that big chrome high beam reflector just doesn't go.
    Other question- these little volt thingamajigs have any business being around a car audio system?

    Thanks for your time in advance. You're videos have proven extremely helpful in leading me to believe I can do these things, and the subsequent devastation I've inflicted on my truck 😂

  8. Avataaar/Circle Created with python_avatars Alin Cătălin says:

    You should change the title to " How to easily damage your DRL ". No offence BUT, the more voltage you put in, the more heat you get, which is a real problem for any kind of LED.

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