A laser module that works on 5V.
This laser uses about 25mA. When used with a GPIO pin, make sure it can also supply 25mA, otherwise use a transistor.
Color: Red
Wavelength: 650nm
Power of light: <5mW
The pin on the side of the 'S' is the '+', the side of the '- 'is the' - '. The middle pin is not used.
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