What is a ‘laser card’ you ask? It is only the coolest thing to hit Spark Fun Electronics since the Color LCD last week! Don’t be fooled by the 0.8mW rating. This little module is powered with 3V and projects a very clear, bright, red dot pretty much wherever you point it. If only it had that ‘Beware of Laser Radiation’ sticker on it…
If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.
Skill Level: Rookie - You may be required to know a bit more about the component, such as orientation, or how to hook it up, in addition to power requirements. You will need to understand polarized components.
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