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Motion Detector PCB Assembly--STHL

Motion detector PCBs are equipped with high-sensitivity infrared, microwave or dual-sensing sensor modules, which can accurately capture subtle motion changes and heat radiation fluctuations within the monitoring range. Through precise signal screening and data logic judgment, they effectively filter invalid interference signals and quickly trigger linkage actions such as alarm sounding, camera recording and automatic light activation. Featuring small size, low power consumption and fast response speed, they are widely used in indoor anti-intrusion and outdoor regional security monitoring systems.

    Motion Detector PCB Assembly--STHL

    Early challenges in motion detector adoption—such as weak infrared signal capture, electromagnetic interference (EMI), and false triggering instability—have been overcome by specialized PCB assembly technologies, particularly rigid-flex PCBs and high-precision surface mount technology (SMT). These innovations effectively enhance the sensitivity of analog front-ends for capturing faint human body infrared and motion induction signals, while integrating EMI shielding layers to eliminate interference from surrounding lighting and electrical appliances. Rigid-flex PCBs, in particular, balance compact form factors with reliable signal transmission, supporting the miniaturization of wired and wireless motion detection devices without causing false alarms or signal delay. This technological leap has enabled motion detector PCB assemblies to outperform traditional induction circuits in key areas:

    • Superior Signal Integrity

      Advanced impedance-controlled routing and ultra-low-noise PCB substrates minimize signal attenuation during the capture and amplification of weak infrared induction signals. Equipped with high-resolution (≥16-bit) ADC integration, they ensure the accuracy of human motion sensing waveforms, laying the foundation for precise human body identification and effective false trigger suppression.
    • Versatile Form Factor Adaptability

      Compliant with IEC 60839 security alarm safety standards, the assemblies adopt reinforced isolation designs (such as opto-isolation and galvanic isolation) to prevent electrical leakage risks. Temperature-insensitive materials used in PCB substrates and conformal coatings also resist ambient temperature drift and dust interference, ensuring stable sensing performance for long-term indoor and outdoor deployment.
    • Reliable Long-Term Operation

      ENIG (Electroless Nickel Immersion Gold) surface finishes and waterproof conformal coatings (IP67 rating) provide excellent corrosion resistance and moisture protection. Combined with rigorous temperature and vibration testing, the assemblies maintain stable performance in variable temperature environments and during long-term 24/7 standby detection.

    Key Applications Across Security Sectors

    Motion detector technology powers intelligent induction and anti-intrusion protection in diverse civilian and industrial security scenarios.

    Smart Residential & Home Automation

    Passive infrared motion sensors and human body induction modules, featuring high-precision identification and automatic lighting linkage functions, integrated with smart home systems for seamless intelligent control.

    Industrial Warehouses & Storage Zones

    Anti-intrusion motion detectors and regional sensing alarms, built with rugged enclosures and noise suppression circuits to ensure stable performance in dusty and low-light industrial storage environments.

     Commercial Buildings & Office Areas

    Energy-saving induction detectors and access sensing terminals, leveraging ultra-low-power consumption design and high anti-interference performance for automatic lighting control and unattended safety monitoring.

    Public Facilities & Parking Lots

    Outdoor waterproof induction sensors and pedestrian triggering devices, supporting human flow monitoring and automatic alarm activation, providing reliable sensing data for public area safety management and energy conservation.

    Why STHL PCBA should be your top choice for your LED PCBA needs?

    Let's explore the top 10 reasons why!

    Real Factory

    STHL PCBA is a real factory with 10,000+m² highly automated, dust-free factory,7 SMT lines, 2 DIP lines, 2 FCT lines, and 2 box building assembly lines. 

    Quality Guarantee

    We buy components from famous international platform like Mouser, Digikey, Farnell, Future, Avnet, Arrow or the agents. No components substitutes without customers approval!

    Rich Experience

    20+ years of experience in PCB & PCBA field.

    Cost Dowm

    Professional engineering team supports cost down.

    Global Sourcing

    500k parts with 100+ agents and suppliers.

    No MOQ

    No minimum order requests, we accept both prototype and volume quantity orders.

    Fully Certified

    With IATF16949, ISO9001, ISO14001, ISO13485 Certifications.

    NDA

    We ensure all of your projects documents security and sign NDA before RFQ.

    Intelligent Management

    Use Intelligent ERP system, MES (manufacturing execution system) for fast tracking.

    Fast Delivery

    Prototype orders will be fast completed and delivered, mass orders lead time is 4~5 weeks.

    About STHL PCB & PCBA

    LED PCB Assembly Revolutionizing Lighting Technology with Precision and Per (1)

    Shenzhen STHL Technology Co., Ltd. is a high-quality provider of electronics manufacturing services (EMS) in China, we serve customers worldwide along the whole industry chain including product design, material sourcing, PCBA production, cable assembly, box build assembly and comprehensive testing services.

    Established in 2006, we have more than 20 years of experience in electronics contract assembly manufacturing. Currently, we employ more than 220 staff members. Our 10,000 sqm facilities include 7 surface-mount technology (SMT) production lines, 2 through hole technology (THT) lines , 2 function testing lines and 2 box build production lines.

    At STHL, we provide electronics assembly services for energy power, communications, consumer electronics, computers & storage, safety & security, commercial and industrial products. Customers mainly from United States, Brazil, United Kingdom, Germany, Spain, Italy, Poland and . As an IATF16949,ISO9001, ISO14001, and ISO13485 certificated electronics assembly manufacturer, we produce products exactly comply with ROHS standard and quality guarantee. Based on our excellent engineering and production capacities in technical areas such as materials analysis & storage, advanced equipment, reliability testing (AOI, X-RAY, ICT test and function test), high effective SMT and THT assembly, we are recognized as a long-term reliable PCBA vendor by more and more customers wordlwide.

    Products Capability

    Items

    PCB capacity

    PCB name

    LED PCB Assembly: Revolutionizing Lighting Technology with Precision and Performance

    Material

    FR-4; High TG FR-4; Aluminum; CEM-1; CEM-3; Rogers, etc

    PCB type

    Rigid, flexible, rigid-flexible

    Layer NO.

    1, 2, 4, 6, up to 24 layer

    Shape

    Rectangular, round, slots, cutouts, complex, irregular

    Max PCB dimensions

    1200mm*600mm

    Board Thickness

    0.2mm-4mm

    Thickness Tolerance

    ±10%

    Min Hole Size

    0.1mm (4 mil)

    Copper Thickness

    0.5 OZ-3OZ (18 um-385 um)

    Copper Plating hole

    18um-30um

    Min Trace Width

    0.075mm (3mil)

    Min Space Width

    0.1mm (4 mil)

    Surface finish

    HASL, LF HASL, Imm Gold, Imm Silver, OSP etc

    Solder mask

    Green, red, white, yellow, blue, black, orange, purple

    Assembly details

    SMT and Thru-hole, ISO SMT and DIP lines

    Testing on products

    Testing jig/mold , X-ray Inspection, AOI Test, Functional test

    Quantity

    Min quantity : 1pcs. Prototype, small order, mass order, all OK

    Products Capability

    Files needed

    PCB : Gerber files(CAM, PCB, PCBDOC)

    Components : Bill of Materials(BOM list)

    Assembly : Pick-N-Place file

    PCB Panel Size

    Min size : 0.25*0.25 inches(6*6mm)

    Max size : 1200*600mm

    Components details

    Passive Down to 0201 size

    BGA and VFBGA

    Leadless Chip Carriers/CSP

    Double-sided SMT Assembly

    Fine BGA Pitch to 0.2mm(8mil)

    BGA Repair and Reball

    Part Removal and Replacement

    Component package

    Cut Tape, Tube, Reels, Loose Parts

    PCB+ assembly process

    Drilling---Exposure---Plating---Etaching & Stripping---Punching---Electrical Testing---SMT---Wave

    Soldering---Assembling---ICT---Function Testing---Temperature & Humidity

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    Digital Innovation

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    How to Get Started with STHL

    Ready to partner with us for your LED PCB Assembly project? Here’s how you can get started

    • Contact Us

      Contact Us

      Reach out to our sales team via phone, email, or online chat to discuss your project requirements.
    • Professional Expertise (2)

      Provide Design Files

      Send us your PCB design files (Gerber, BOM, etc.) for a detailed quote.
    • Cost-Effective Solutions

      Get a Quote

      We will provide you with a comprehensive quote, outlining all costs and timelines.
    • Delivery

      Production and Delivery

      Once the quote is approved, our team will begin production, ensuring your PCB assembly is completed on time and to the highest quality standards.

    Make an free consultant

    Whether you need PCB Fabrication or PCBA Assembly Service, STHL delivers innovation and reliability.

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