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Got the batteries. These are awesome thanks. :) Pleasure as always :beer:

Got the wire and heatshrink. Thanks pal :beer: Always a pleasure doing business with you. :)

I think Jordan still has them in stock, a don't have them currently available ... been away from home for few months now.. glad you like it :)

Hi and welcome to the forum, I would recommend you post detailed pictures or diagrams of the project you are working on and with more details on the test load, input source, etc. It will be much easier to help you then. One thing I can say for sure is you need at least 3V more on the input...

oh man, it's happening all over again :D ... joke aside Joe HAS disappeared before in the past but eventually came out nicely. Not sure why he would delay your laser but I am sure he has a reason. OR he's gone bonkers :D ... Sorry about that. I am a little sick and craziness is getting me too :D

indeed! leads need to be close to the input/output and as short as possible.

if you think about it any driver - linear or other needs both contacts of the battery. you can't just dismiss one or the other. So if you have case positive you also need the ground of the battery to have access to the driver. if you could post a diagram of your project it would be much easier...

you can upload a picture to photobucket or other free image space site and link it here. I don't think you will be able to find a boost driver that uses the negative side to boost the voltage. If you can use two smaller batteries in series say 2x 16340 instead of a single 18650 would do the...

Nice Review and very nice phone option! I don't want to offend you but are you using G()()gle translate ? Some parts of the sentences aren't exactly very clear... :thinking: :beer:

[ALL GONE] Thanks :beer: Hey guys, I am clearing up inventory and I am making the fmt drv v2 available for only $12 bucks instead of the regular price of $20. I have only 15 boards left. After that I am not sure whether I will continue it. if any interested shoot me a pm :beer: link of...

great, the iDrv3 is officialy gone. A newer version will be available but I can't give you estimates yet :beer: only the FMT DRV v2 remains for now. 15 pcs. $20/each Admin pls close the thread. :beer: for any further orders please PM me :beer:

ok only the last 3 drivers of iDrv3 remain. once they are gone this offer is over. :beer: thanks guys!

quantites updated - OP

if you can hear that sound it means the input power is dropping below the point in which it can sustain regulation. pretty sure it's a input power supply problem

i am not sure how you plan to put it in the module but I wouldn't recommend even trying. the is meant to be put on a heatsink with flat base. there wouldn't be enough space in the module anyway - the components will get in the way especially the inductor.

thanks guys. :beer:

the fmt drv is a buck/boost up to 6V input and 6V output. you can't use 7 diodes unless the current is very small. for 445nm you need to use 3diodes tops for high currents. they will give around 5V output

Re: LPM In a Cube!! Update!!........First light!! great skills! love the soldering on that board! :beer:

[OFFER ENDED, THANKS GUYS] Hey guys, I am offering this Limited Offer everyone who buys 3x iDrv3 gets 1x free FMT Drv v2. or everyone who buys 2x FMT Drv v2 gets 2x free iDrv3. iDrv3 ........... $10 FMT Drv v2 ... $20 Single quantites available: iDrv3 ............. 0pcs...

if all the drivers are behaving the same i suspect it's a battery/power supply problem, as ben said too much internal resistance. check you cables too they might be too thin and heat up and add resistance. i am pretty sure at least one of your drivers must be ok. if you need help with the...