This article will help you determine whether your laser has failed and where it has failed. This page is only applicable to the digital version laser module. How to distinguish? Choose your way: If the laser module does not work properly, please contact us and take a video about the above test steps. In addition, …
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 …
Tips: Welding requires some skills. I suggest you take a look at the following video: Link First, disassemble your laser drive Add enough solder to make all 4 pins have solder, as shown in the figure below: Heat the four points at the same time, and gently lift the control board with your left hand. …
Connect 12V and GND of your laser module, the connect TTL/PWM higher then 2.5V (should lower then 15V), the laser will on at full power. The input PWM signal needs to meet the following conditions: PWM frequency: 0 ~ 20KHz PWM Vpp: 2.5V ~12V Drive current capability should > 1mA For conditions 1 and conditions …
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. …
First: distinguish your laser type by distinguish my laser module types For analog type laser module: Connect 12V and GND to your adapter, the fan should on. Connect TTL/PWM to 12V(for test only), the laser will on at full power. For digital type laser module: Connect 12V and GND to your adapter, the fan should …
NEJE laser modules can be divided into two types: analog type digital type How to distinguish them? by power up them for digital type: fan will turn on for 2 seconds when you power up your laser module. red led will blink 7 times when powerd up your laser module. fan will turn off when …
First: you need to know which pin is PWM output pin of your control board There are many kinds of control boards on the market. We can’t test each control board. Here is only a general method to confirm how to connect. The following methods may have errors. Please consult your control board vendor for …
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