DIY laser kit help

[danielja]

I have completed assembling my circuit and am now trying to set the variable resistor to the specified value and am unable to get any reading from the circuit (variable resistor independently tested and confirmed working)

http://www.ebay.com/sch/i.html?_trk...,300mW+pulse,Tiny+Heatsink&_sacat=0&_from=R40

 

[Harald Kapp]

Get in touch with this guy https://www.electronicspoint.com/trying-test-polarity-laser-diode-t260757.html
You're working on the same project.