It's addictive. Once you start modifying led rechargeable lights, one can't stop. I'm modifying several around my property for night time security and nightly outdoor excursions with the dogs. Great work.
very good, I was just talking with someone tonight about getting more parts then I needed for the current project and this video is about looking in the accumulation of "why do you need all this junk". Best example of why I could ever have thought up. as an aside some of the best things about finding stuff even things that are clearly poor quality are the case they are always the difficult to find component to find or replicate. the only problem is space to put it all in
I blame Aliexpress, I recently needed a couple of general NPN and PNP transistors and found 100 Aliexpress clones was half the price of buying four locally, I now have 96 spares of each. Similar story with small buck converters 12v-3.3V needed 2, $1 for 1, $2 for 5 or $2.60 for 10 guess how many spares I have.
That little one watt LED that you settled on, I bought a bunch of those. When I saw you digging through your box of LEDs and you pulled that one out, my instant reaction was for me to yell out. That's the one you're going to want! I remember the first time that I powered those suckers up. Let me tell you what, my eyeballs I think were hurting for days afterwards with spots. Them suckers are bright but bear in mind they can also get pretty hot so leaving that resistor in was probably a good idea.
Very nice. This kind of video goes to show you dont need to chuck stuff in the bin because it is acting up. At least TRY to repair it and have some fun. Great job!
This type of LED short happened to me on a set of fairy lights with parallel wiring. One LED started conducting too much current, bringing the others down and shortening the battery life. A thermal camera enabled me to find the die that was shorted. Your other option would be to identify the bad led and cut or dig the connecting bond wire it out of the circuit
Some thermal interface material and two screws holding the star to the plate would be a good upgrade to what was already done. Would be interesting to use a thermal camera and check the LED temp before and after doing so.
With the light meter, you were measuring intensity (candela) not Lux. Probably wont matter in this instance. Lux is "additive" so you don't need to exclude room lighting. Just measure A ambient, then switch on lamp and measure again B. Subtract A from B and you have the Lux from the lamp only. That poor LED will cook with no heatsink, and the tiny battery is gunna get hammered with that amount of current draw 😢
Remember the application I use this in. It's on for 30 seconds at a time not more than once a day. And, while the meter happened to be displaying on the lux scale, I was simply using it to get a relative measurement, not an absolute value.
I see that I’m not the only one who has more trouble with the mechanicals than the electricals when doing this kind of repair. But then these things aren’t engineered with repairability in mind, are they? Grrr.
Before I bought a 3D printer I often bought small gadgets from Aliexpress just to gut and reuse the cases, it's often cheaper than buying project boxes and the range of sizes and shapes of cheap gadgets is enormous.
It's addictive. Once you start modifying led rechargeable lights, one can't stop. I'm modifying several around my property for night time security and nightly outdoor excursions with the dogs. Great work.
very good, I was just talking with someone tonight about getting more parts then I needed for the current project and this video is about looking in the accumulation of "why do you need all this junk". Best example of why I could ever have thought up.
as an aside some of the best things about finding stuff even things that are clearly poor quality are the case they are always the difficult to find component to find or replicate. the only problem is space to put it all in
I blame Aliexpress, I recently needed a couple of general NPN and PNP transistors and found 100 Aliexpress clones was half the price of buying four locally, I now have 96 spares of each. Similar story with small buck converters 12v-3.3V needed 2, $1 for 1, $2 for 5 or $2.60 for 10 guess how many spares I have.
Great repair job! Big range of random LEDs for the win. 👍😀
That little one watt LED that you settled on, I bought a bunch of those. When I saw you digging through your box of LEDs and you pulled that one out, my instant reaction was for me to yell out. That's the one you're going to want! I remember the first time that I powered those suckers up. Let me tell you what, my eyeballs I think were hurting for days afterwards with spots. Them suckers are bright but bear in mind they can also get pretty hot so leaving that resistor in was probably a good idea.
Very nice. This kind of video goes to show you dont need to chuck stuff in the bin because it is acting up. At least TRY to repair it and have some fun. Great job!
Have fun and learn something along the way.
This type of LED short happened to me on a set of fairy lights with parallel wiring. One LED started conducting too much current, bringing the others down and shortening the battery life. A thermal camera enabled me to find the die that was shorted. Your other option would be to identify the bad led and cut or dig the connecting bond wire it out of the circuit
nice fix with what you have already, well done 🙂
Double sided-sticky tape is a great idea. My lame idea was hot glue!
Nice use of a light meter, better than visually judging the intensity. Still have not found a discarded Li-Ion
I only find the occasional one - maybe on a month or so on my daily walks. Often in the grass near a bus stop.
The result is important !
Those star mounts usually don't have enough surface area to dissipate all of the heat.
Some thermal interface material and two screws holding the star to the plate would be a good upgrade to what was already done. Would be interesting to use a thermal camera and check the LED temp before and after doing so.
It's only going to be on for 30 seconds or less at a time.
Perfect tool for the job.
Why do you keep buying all this stuff? ...... So I have parts to fix whatever may come my way! Love it!
I learned, of all things, about VHB tape! So well worth videoing / posting. Thanks as always.
That tape will not handle the very high temps of the LED heatsink 😢
@@johncoops6897 Now I've learned TWO things 🥳
@@obd6HsN 😃😉
Nice fix.
Ahh, a good example of the obedience of fundamental laws of the universe. ^^
So, Not a Speaker then.?!
Mega Tool, instead.
Reuse ✅ Recycle ✅
Good job.
It appears you've got a lead pinched between the circuit board and the reflector. Future issue?
There's enough clearance that it can move if it needs to.
With the light meter, you were measuring intensity (candela) not Lux. Probably wont matter in this instance.
Lux is "additive" so you don't need to exclude room lighting. Just measure A ambient, then switch on lamp and measure again B. Subtract A from B and you have the Lux from the lamp only.
That poor LED will cook with no heatsink, and the tiny battery is gunna get hammered with that amount of current draw 😢
Remember the application I use this in.
It's on for 30 seconds at a time not more than once a day.
And, while the meter happened to be displaying on the lux scale, I was simply using it to get a relative measurement, not an absolute value.
my problem is "if you can't find it, you don't own it", got to be around here somewhere! Lost in space.
I *may* also have that problem now and again...
I see that I’m not the only one who has more trouble with the mechanicals than the electricals when doing this kind of repair.
But then these things aren’t engineered with repairability in mind, are they? Grrr.
Before I bought a 3D printer I often bought small gadgets from Aliexpress just to gut and reuse the cases, it's often cheaper than buying project boxes and the range of sizes and shapes of cheap gadgets is enormous.
@@Steve_Coates So true
Names of these beers are so pretentious and douchey it's unbelievable😵😵😵😵
They're going for "over-the-top" and think they've succeeded at that.