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Hi everybody ! I've just received my parts (laser modules and cds photoresistors) for building a laser harp. Can anyone help me on how to connect the laser modules with arduino and see them working ? The lasers i have are the following : Laser Module - Green - SparkFun Electronics and the...

Hello everybody !! I want to start making a laser harp and i want your opinion about the laser modules and laser diodes that i will need to use. I want to propose me e-shops for buying laser modules and suitable laser diodes,if that is easy. Also i want the laser beam to be visible by the human...

Hi everybody !!! I m just new to the laser world and i want to make a laser harp and i am looking for the suitables laser modules. I want to know which is the factor that tells me if a laser beam is visible by the eye (is the mw ?). Does any of the two below products has a visible by the eye...