Laser Module

How to fix my A40640?

If your A40640 is damaged and similar to the figure below, we provide a repair method: Note: This fix applies only to N40640 v1.2 and v1.3 laser drives, You can find the driver version number on the other side of the driver board. Please note that when disassembling your laser, please remove the four screws …

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How to use laser modules

NEJE has many types of laser modules, but the control is the same. The following figure is the pin description: 12V: Power positive . GND: Power ground or power negative. TTL/PWM: TTL = PWM, input 3.3V~12V to turn on laser module, conect to GND to turn off laser module. Temperature: do not connect, please ignore. …

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