http://www.donluc.com/?p=2032
Laser DiodeA laser diode is a semiconductor device similar to a light-emitting diode in which a diode pumped directly with electrical current can create lasing conditions at the diode's junction. Laser diodes can directly convert electrical energy into light. Due to the drop of the electron from a higher energy level to a lower one, radiation, in the form of an emitted photon is generated. This is spontaneous emission. Stimulated emission can be produced when the process is continued and further generate light with the same phase, coherence and wavelength.
The choice of the semiconductor material determines the wavelength of the emitted beam, which in today's laser diodes range from infra-red to the UV spectrum. Laser diodes are the most common type of lasers produced, with a wide range of uses that include fiber optic communications, barcode readers, laser pointers, CD/DVD/Blu-ray disc reading/recording, laser printing, laser scanning and light beam illumination. With the use of a phosphor like that found on white LEDs, Laser diodes can be used for general illumination.
1 x Adafruit RGB LCD Shield 16×2 Character Display
1 x Arduino UNO - R3
1 x ProtoScrewShield
2 x EasyDriver - Stepper Motor Driver
1 x Small Stepper Motor
1 x Pololu Mounting
1 x Symbol Stepper Motor
2 x RC Servo Motor
2 x Potentiometer 1M Ohm
2 x Knob
1 x LED Red
1 x Rocker Switches
1 x Laser Diode Red
5 x Jumper Wires 3in M/M
29 x Jumper Wires 6in M/M
3 x Half-Size Breadboard
SP1 - Digital 3
DI1 - Digital 2
SP2 - Digital 5
DI2 - Digital 4
SV1 - Digital 6
PO1 - Analog A0
SV2 - Digital 7
PO2 - Analog A1
VIN - +5V
GND - GND
http://www.donluc.com/DLHackster/LucPaquinCVEngMk2020a.pdf
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Don Luc
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