{"product_id":"optical-endstop-sensor-module-photoelectric-limit-switch-3d-printer","title":"Optical Endstop Sensor Module Photoelectric Limit Switch 3D","description":"\n\u003ch2\u003eOptical Endstop Sensor Module – Photoelectric Limit Switch for 3D Printers\u003c\/h2\u003e\n\u003cp\u003eKeep your 3D printer running with precision using this \u003cstrong\u003eOptical Endstop Sensor Module\u003c\/strong\u003e. Designed as a photoelectric limit switch, this compact SMD-based module delivers reliable position detection, ensuring your printer's axes stop accurately at defined endpoints. Whether you're building, upgrading, or replacing components on your 3D printer, this sensor module is a dependable, drop-in solution.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePhotoelectric Detection:\u003c\/strong\u003e Non-contact optical sensing for accurate and repeatable endstop triggering without mechanical wear.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMD Construction:\u003c\/strong\u003e Surface-mount design for a compact, low-profile footprint that fits neatly into tight printer enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Quantity Options:\u003c\/strong\u003e Available as 1pc, 5pcs, or 10pcs — stock up and save for multi-axis builds or future repairs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Suitable for most popular 3D printer models and DIY CNC builds that use standard optical endstop connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable \u0026amp; Consistent:\u003c\/strong\u003e Solid-state optical components ensure long service life with consistent triggering performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Optical Endstop Sensor Module (Photoelectric Limit Switch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComponent Type:\u003c\/strong\u003e SMD (Surface Mount Device)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Quantities:\u003c\/strong\u003e 1pc, 5pcs, 10pcs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e 3D Printers, CNC Machines, DIY Electronics\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomization:\u003c\/strong\u003e Yes — quantity selectable at checkout\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cp\u003eEach order includes the selected quantity of Optical Endstop Sensor Modules (SMD) as chosen at checkout (1pc, 5pcs, or 10pcs).\u003c\/p\u003e\n\n\u003ch3\u003ePerfect for 3D Printer Builders \u0026amp; Enthusiasts\u003c\/h3\u003e\n\u003cp\u003eWhether you're assembling a new printer from scratch, performing maintenance, or upgrading an existing build, this optical endstop sensor module is an essential component. Pair it with quality electronics and wiring for a smooth, well-calibrated machine. Browse our related DIY electronics components below:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ccb-flat-round-spacer-beads-diy-jewelry-making\"\u003e4\/6mm CCB Flat Round Spacer Beads DIY Jewelry Making 100-200pcs\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/round-aluminum-wire-diy-jewelry-making-1mm-3mm\"\u003eRound Aluminum Wire 1mm–3mm | DIY Jewelry Making Wire\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does an optical endstop sensor module do in a 3D printer?\u003c\/h4\u003e\n\u003cp\u003eA: An optical endstop sensor module acts as a photoelectric limit switch that signals the printer's control board when a moving axis (X, Y, or Z) has reached its home position. This allows for precise homing and accurate print positioning every time.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this optical endstop sensor module compatible with my 3D printer?\u003c\/h4\u003e\n\u003cp\u003eA: This module is designed to be compatible with most standard 3D printers that use optical endstop connections, including popular open-source and DIY printer designs. Always verify your printer's endstop connector type and voltage requirements before installation.\u003c\/p\u003e\n\u003ch4\u003eQ: How many sensor modules should I order for a typical 3D printer build?\u003c\/h4\u003e\n\u003cp\u003eA: Most 3D printers require 3 endstop sensors — one each for the X, Y, and Z axes. The 5pcs option is ideal for a full build with a spare, while the 10pcs pack is great for workshop stock or multi-printer setups.\u003c\/p\u003e\n\u003ch4\u003eQ: What does SMD mean for this sensor module?\u003c\/h4\u003e\n\u003cp\u003eA: SMD stands for Surface Mount Device, referring to the construction style of the electronic components on the module's PCB. SMD components result in a compact, lightweight board that fits easily within modern 3D printer frames.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does an optical endstop sensor module do in a 3D printer?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"An optical endstop sensor module acts as a photoelectric limit switch that signals the printer's control board when a moving axis (X, Y, or Z) has reached its home position. 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