I'm using one of these
Laser Driver
Wavelengths: 405nm – 660nm (adjustable output voltage)
Output Power: 200 - 2000mW (2.5A maximum)
Output current set using multi-turn pot on the circuit board
Input Voltage: 12V nominal, 8-14V AC or DC
Dimensions: 49mm x 29mm x 15.5mm...
Hey there,
I just upgraded to an M140 2W Laser for wood engraving.
For the dummyload test I used 6 diodes and a 1ohm resistor.
With a multimeter connected to the restistor I increased the current through the driver up to 1600mV = 1600mA.
The weird thing is that my powersupply only showes a...