Smart Electronics New KY-008 3pin 650nm Red Laser Transmitter Dot Diode Copper Head Module for Arduino Dot laser Operating voltage 5V Power 5Mw Wavelength 650n m OD 6mm 1 This 5V laser head very easy to use, you can use Arduino control, do controllable laser pointer, theft detection, etc. interesting application devices. (2) Whenever the …
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