can someone give me advice

Hi if been searching the forums but any guides.refer to a different .module.
I purchased a lazerdr.com 100mw green module and I'm going g to put it in a power rock host . How do I bypass the button when its got 4 posts

http://lazerer.com/diy-100mw-532nm-green-laser-module

Use a Digital MultiMeter (DMM) set to continuity or low
resistance and check which Switch pin pairs make
a connection when you press the button.



Jerry

OK thank you . And with lazerer mudule 's is the spring + or -

maddowse said:

OK thank you . And with lazerer mudule 's is the spring + or -

Click to expand...

It should be - since all green lasers are case positive...

The Lazerer module looks just the same as the Fasttech module. Connect the points in the yellow circles for continuity.

Hi can someone help me make a decision of a green laser pointer.
Over the past couple of weeks i have been seaching for laser modules & laser pointers
but couldn't make my mind up, until now.

i have found a laser pointer i think it looks legit but just need someone that knows about lasers to like confirm that it is a good deal, cause i do not want to get ripped off, again.

532nm Green 200mW Laser Module Pocket Size Mine Style Focusable 1x16340 Chamber | eBay

Things i want to know before buying,

Is it likley to have the correct power output of 200mw with 5-10 % tolerance?

Am i getting value for money, i dont want it being some cheap crap that brakes after 2 hours?

Thanks in advance

Thank you for all the help. Its much appreciated