{"product_id":"premium-ldr-light-dependent-resistor-photoresistor-multi-size-selection-115","title":"مقاوم ضوئي ممتاز LDR (مقاوم يعتمد على الضوء) - اختيار متعدد الأحجام #115","description":"\u003cp\u003eHigh-Sensitivity Cadmium Sulfide (CdS) LDR Light Dependent Resistors (Premium Ambient Photoresistor Selection - 3mm, 5mm, and 20mm Diameter Variants).\u003c\/p\u003e\n\u003cp\u003eIndustrial-grade \u003cb\u003eLDR Light Dependent Resistors (Photoresistors)\u003c\/b\u003e, precision-engineered to act as highly responsive ambient light telemetry transducers for electronic hardware grids. Operating via a ratiometric photoconductive architecture, these passive silicon sensors dynamically scale their internal electrical resistance inversely relative to incident light lux parameters—dropping to low-ohm continuity under bright saturation and peaking to mega-ohm thresholds in total darkness to stream immediate analog lighting updates to upstream system processors.\u003c\/p\u003e\n\u003cp\u003eThis unified master catalog features three specialized hardware physical diameters optimized for distinct engineering implementations:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eThe 3mm Micro Variant (3528 Series):\u003c\/b\u003e Engineered for high-density SMD\/PTH conversion layouts, wearable IoT devices, and ultra-confined structural enclosures.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eThe 5mm Standard Variant (55xx Series):\u003c\/b\u003e The global standard benchmark configuration for academic laboratories and solderless breadboard integration.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eThe 20mm High-Surface Variant (20528 Series):\u003c\/b\u003e Architected with an expanded active optical footprint to maximize photon capture in low-lux conditions, delivering rugged thermal endurance for heavy-duty outdoor control frameworks.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eForged from premium semi-conductive compounds ensuring high-fidelity responsive velocity and minimal latching drift. The definitive hardware benchmark standard for manufacturing automated residential dusk-to-dawn street lighting switches, optimizing solar-panel tracing trackers, upgrading industrial luxury display auto-dimmers, and integrating reliable non-contact environmental triggers into Arduino, ESP32, and Raspberry Pi automated automation arrays.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQuick Technical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eSensor Type:\u003c\/b\u003e Cadmium Sulfide (CdS) Photoresistor.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eOperation:\u003c\/b\u003e Resistance (ohms) changes directly with darkness and inversely with light intensity.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eAvailable Variants:\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e3mm Diameter - for miniature spaces.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e5mm Diameter - standard and most common.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e20mm Diameter - high sensitivity and for heavy-duty outdoor loads.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eCompatibility:\u003c\/b\u003e Easy and direct analog reading compatible with all microcontrollers and multimeters.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"SkyTech","offers":[{"title":"20 ملم الكبير (20mm)","offer_id":48070794936473,"sku":null,"price":2000.0,"currency_code":"IQD","in_stock":true},{"title":"5 ملم (5mm)","offer_id":48070794969241,"sku":null,"price":500.0,"currency_code":"IQD","in_stock":true},{"title":"3 ملم (3mm)","offer_id":48070795002009,"sku":null,"price":500.0,"currency_code":"IQD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0708\/8131\/2921\/files\/LDR_Photoresistor_Photo_Cell.webp?v=1781936116","url":"https:\/\/skyteches.com\/ar\/products\/premium-ldr-light-dependent-resistor-photoresistor-multi-size-selection-115","provider":"SkyTech","version":"1.0","type":"link"}