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would not using a diode on the ground fix the problem ?? or is that not worth me trying

sorry for late reply to much work no time to play :( i said finished , but ment finshed as in working but not complete will post pics as soon as i get it done over xmas but i got to say this was an excellent project i am well happy with it, just need to calibrate it against another meter MERRY...

sorted dont worry sorted it read through the whole thread and found that the meter need to be on a different battery to the amp that fixed the problem , spot on zero now

Re: DIY Thermal LPM for under $50 help hi all need a little help please finished my meter works great except i cant zero it properly it sits at -5 with the pot at full turn, if i turn the pot it just goes more into the minus , did i goof somthing up ?? note if i make the heat sink colder than...

thanks jib77 thats a great help hoping to get this project working in the week as soon as my volt meter gets here,but may well use dmm for now

anyone got the circuit diagram for this project that was in post 1 its dissapeared now:( thanks

hi i know i cant have both, i am looking for the best of inbetween lens 27 did the job for me giving just under 2.5x3mm@ <.8mrad looking to find the best replacement for lens27 that gives simalar beam specs

hi all what options are there for collimating red 640nm diodes dont want aixiz , i am after tightest lowest divergence possible i would have gone with roithner lens27 but thats no longer available so i am looking for a suitable replacment thanks in advance.

i got a 100mw green from laserlands and its great not quiet 100mw an it modulates well with an analog die4drive running it mayby its just that 200mw module type from a different manufacture that a problem the only trouble i had from laserlands is there shipping time

Re: 445nm Casio Laser Diode Compilation Thread hi to all on lpf my names chris and new to lpf fresh news from casio the 3000 lumen casio projector has been put on hold,with no idea, if or when they will produce it, would be nice to know what diodes were going in that beast