UPDATE: It works! Here is a small video where I use another laser diode: https://youtu.be/DSwHNE-rjv4
Previous video: https://youtu.be/XCnI6ZOYKes
Constant Current Load video: https://youtu.be/8uBcywBUTkw
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Twitter: https://twitter.com/GreatScottLab
Parts list, Schematic, PCB Layout is on instructables: http://www.instructables.com/id/DIY-Laser-Diode-Driver-Constant-Current-Source/
Facebook: https://www.facebook.com/greatscottlab
Twitter: https://twitter.com/GreatScottLab
Support me for more videos: https://www.patreon.com/GreatScott?ty=h
Parts list (affiliate links):
Aliexpress:
1x Laser Module: https://s.click.aliexpress.com/e/_dZlipG7
1x MCP602: https://s.click.aliexpress.com/e/_d7gXXAP
1x 3.3Ω / 5W Resistor: https://s.click.aliexpress.com/e/_dVdbbC3
1x Vero Board: https://s.click.aliexpress.com/e/_dWvCu9h
1x 1kΩ Resistor: https://s.click.aliexpress.com/e/_dYW3fCj
1x IRLZ44N N Channel MOSFET: https://s.click.aliexpress.com/e/_dSubBCb
2x Screw Terminal: https://s.click.aliexpress.com/e/_d8g2zdz
1x 500kΩ Potentiometer: https://s.click.aliexpress.com/e/_BfhVhtCx
1x Thermal Paste: https://s.click.aliexpress.com/e/_dViWRGj
In this episode of HACKED! I will show you how I extracted a laser diode from a DVD Burner which should have the power to ignite a match. In order to power the diode correctly I will also demonstrate how I build a constant current source which delivers a precise and steady current to the load.
Music:
2011 Lookalike by Bartlebeats