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Hi y’all, I’m running an ACS1500SE from DTR inside a convoy flashlight housing with an 18650. My driver works just fine as I can hook my bench top supply to the + spring terminal and the case, powering it with no issues. I can also attach those leads to my battery externally and power it just...

My school bought a couple of these cheap green lasers for our observatory which bear no mark of a manufacturer. Someone happened to break the driver off of the diode and now we have no idea where it is. I was thinking of putting in a new driver I had laying around, but I don’t even know the...

Hi LPF, I know there are tons of 520 builds out there but I'd just like to share what I've been up to. My build isn't complete since I'm waiting on a few more parts to arrive in the mail (a battery contact board and thermal adhesive) but for the most part, it's been going well. I'll also share...

Hi LPF, I've been wanting to gauge the output performance of my new diode with a LPM. I have access to a power meter in the optics lab of the physics department here at school, however it is only sensitive to HeNe wavelengths and this is a green diode. Instead, I figured a fun project would be...

I've been looking through the commercial driver route (as opposed to the DIY approach) but I think I'm a little lost. Honestly, I'm a physics major so electronics should make sense to me but I've never had to focus on powering laser diodes. Basically, I was thinking of doing a custom build with...

I've been looking at the stickies and it looks like a lot of drivers offered my LPF members are out of production. I'm building a pen with an Osram PLT5510 diode which operates between 60-100mA at 5.4-7V, but most drivers I've found offer anything from 100mA and up, which is not ideal because I...