Troubleshooting of NEJE laser module
This article will help you determine whether your laser …
Laser Module
How to fix my A40640?
If your A40640 is damaged and similar to the figure bel …
How to change control board for N40630/A40640
TIP Welding requires some skills. I suggest you take a …
About PWM signal specification
What is PWM? Click here to learn What is PWM How to Tur …
How to use laser modules
NEJE has many types of laser modules, but the control i …
How to test my laser module
First: distinguish your laser type by distinguish my la …
How to distinguish my laser module type
NEJE laser modules can be divided into three types: Ana …
How to make laser module work with your control board
First: you need to know which pin is PWM output pin of …
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