{"product_id":"405nm-500mw-violet-laser-engraving-module","title":"405nm 500mW Violet Laser Engraving Module – 12V Adjustable Focus PWM\/TTL","description":"\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis 405nm 500mW violet laser engraving module is designed for integration with laser engraving machines, 3D engraving machines, DIY CNC systems, optical equipment, and OEM laser applications. It features an adjustable-focus dot beam, 12V DC operation, ACC constant-current drive, forced-air cooling, and external PWM\/TTL laser power control.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe module uses a black anodized aluminum housing for effective heat dissipation and incorporates active fan cooling for stable operation. Its adjustable focusing system allows the laser spot to be optimized for different working distances and engraving applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith its compact construction and external control interface, this 405nm laser module is suitable for replacing or integrating a laser head into compatible engraving and DIY laser systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e405nm violet laser wavelength\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e500mW optical output power\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for laser engraving and marking applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for compatible 3D engraving machines and DIY engraving systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjustable-focus dot beam\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports PWM or TTL control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5V PWM\/TTL control signal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRecommended PWM frequency: 18kHz or below\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e12V DC operating voltage\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eACC constant-current driver\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eForced-air cooling with integrated fan\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBlack anodized aluminum housing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCopper internal module construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoated optical glass collimating lens\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact design for OEM and machine integration\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWavelength:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 405nm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLaser Color:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Violet\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOutput Power:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 500mW\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOperating Mode:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e CW\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eBeam Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Dot\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFocus:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Adjustable\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOperating Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 12V DC\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDrive Mode:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ACC constant-current drive\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCooling Method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Forced-air cooling\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003ePower Control:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e PWM \/ TTL\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eControl Signal:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 5V PWM or TTL\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003ePWM Frequency:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 18kHz or below recommended\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eHousing Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Aluminum\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSurface Finish:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Black anodized\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eInternal Module Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Copper\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCollimating Lens:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Coated optical glass\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDimensions \u0026amp; Mounting\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eOverall length: Approx. 83mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMain housing length: Approx. 55mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHousing width: Approx. 33mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHorizontal mounting-hole spacing: Approx. 40mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVertical mounting-hole spacing: Approx. 16mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMounting-hole diameter: Approx. 3mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003ePlease refer to the product dimension image before installation to confirm compatibility with your engraving machine or mounting system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePWM \/ TTL Control\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe laser module supports external power control using a 5V PWM or TTL signal. According to the supplier specifications, when PWM control is used, the signal frequency should be 18kHz or below.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eControl connections:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePWM\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – PWM\/TTL control signal\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eGND\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Ground\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eVCC \/ 12V+\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – 12V DC positive power supply\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAlways verify the wiring, voltage, and polarity before powering the laser module.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eEngraving Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis 405nm 500mW laser module is designed for integration into compatible laser and engraving systems, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLaser engraving machines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e3D engraving machines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDIY CNC laser engravers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSurface marking systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDIY laser projects\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOEM laser equipment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptical experiments and laboratory projects\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eResearch and development applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eCompatible Engraving Materials\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAccording to the supplier, this module can be used for engraving or marking suitable materials such as:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eWood\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBamboo\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePaper\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLeather\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSelected plastics\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRubber\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHorn and similar materials\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eActual engraving performance depends on the material type and color, focus adjustment, working distance, movement speed, exposure time, and machine settings. Testing on a small area is recommended before processing the final workpiece.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMaterial Limitations\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAccording to the supplier, this 500mW module is not intended for processing or cutting materials such as:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMetal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGlass\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStone\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCeramic\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSilver and jewelry materials\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHighly reflective materials\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSemi-transparent materials\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThis is primarily an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eengraving and marking laser module\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. It should not be purchased on the assumption that it can cut thick materials.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePower \u0026amp; Connection\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe module operates from a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12V DC power source\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. According to the supplier, a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12V 5A power supply\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is recommended when installing the module on an engraving machine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe supplied connection cables allow the laser module to be integrated with compatible power and control systems. Please verify your machine's voltage, connector configuration, and PWM\/TTL interface before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePackage Includes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 × 405nm 500mW Violet Laser Engraving Module\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × 3-Pin Connection Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × 3-Pin to 4-Pin Connection Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × Protective Laser Safety Glasses\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Safety Information\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWARNING: This is a professional laser component and is not a toy.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eNever look directly into the laser aperture or beam.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvoid direct or reflected laser exposure to the eyes.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWear appropriate laser safety eyewear suitable for the 405nm wavelength during installation, testing, adjustment, and operation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eKeep away from children and unauthorized users.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDo not operate near flammable liquids, gases, or other combustible environments.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDo not open or disassemble the laser module.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnsure adequate cooling and ventilation during operation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVerify the voltage, wiring, and polarity before connecting power.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProfessional installation and operation are recommended.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--[Datacaciques code end]--\u003e\n\u003cstyle type=\"text\/css\"\u003e.dc_tracker_img{display:none;}.dc_tracker_img:last-of-type{display:block;}p:empty+hr{display:none;}hr+span.ebay,hr+*\u003espan.ebay{display:none;}\u003c\/style\u003e","brand":"Lilly Electronics","offers":[{"title":"Default Title","offer_id":40203209638017,"sku":"405MD-500-F-12V","price":121.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/8647\/4369\/files\/14824fe616cc3e0c0b98cbc4b387f9f0.jpg?v=1734935126","url":"https:\/\/www.lilly-electronics.com\/products\/405nm-500mw-violet-laser-engraving-module","provider":"Lilly Electronics","version":"1.0","type":"link"}