Endurance lasers do multi tests of all lasers.
Here is our demo stand
TOP SALES! The best laser head for your 3D printer / CNC machine / engraving frame.
The basic principle of testing:
1-Laser Run Mode. Within 1.5 hours, the laser turns on randomly with different PWM duty cycles. After 1.5 hours, the Status LED flashes. The test run stops, the lasers turn off. 0-Manual PWM duty cycle adjustment. Using a resistor, the duty cycle of the PWM output signal changes from 0 to 99%. 2-PWM off.
Wiring
Schematic 
A demo stand schematic (PDF)
Firmware
Unleash the abilities of your 3D printer with Endurance lasers
How does it work?
Learn more about laser diodes
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