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Thanks thanks thanks a lot for all reply . You support my Projekt were well. i am sorry that i can't say more details of the Projekt i this stage now. But so far in Futura people work whit is so thats the reason for the max 5 mw and fast and short puls to get the ID info so secure as...

Hello , thanks for reply .yes i cant see the beam self . I need only see the dot on a taget. And on daylight gren is better for this.

Hello thanks for reply . How fast du you puls your 532nm diode . Some papers that i found hello . Thanks for reply. How fast puls your 532 nm diode . Diachi tell me ,532 nm Diode ar not so fast in case the have some cristalls inside the pump . 520nm ar straight .

Thanks ,you ar right i need a driver board to ttl the laserdiode. Du you now some driverboars for 532 or 520 nm diods max 5 mw and powert by 5 V . in case it is a mobil Applikation and i like to use akkus from mobilphones or Rc models so small as possible.

O yes it is 38 khz . Thanks for the idee to use 520nm . I dinent now the differenziertes betwin 532 and 520. So a 520 mm diode drive whit a mosfet from a pin of the Arduino must by good for 38 kHz. Du have a idea whot diode i shut take ( not more or less then 5 mw output )It is not easy to...

Hello from Austria , and sorry for my english. i search for help on a project. I like to puls a 523 nm Laser to transmitt a ID ( one startbyte 3 times ID Byte and one Stopbyte ) A easy way by to use same protocol as a IR remote control . Carrier freq. 38hz Switch on and off for...