{"product_id":"parallax-pir-motion-sensor-rev-b","title":"Parallax PIR Motion Sensor (Rev B)","description":"\u003cp\u003eThe \u003cstrong\u003eParallax PIR Motion Sensor (Rev B)\u003c\/strong\u003e detects movement by sensing infrared heat signatures. When triggered, it activates an integrated LED inside the translucent dome for immediate visual feedback while sending a digital signal to your microcontroller. Upgraded for better performance, Revision B offers an expanded voltage range, onboard sensitivity modes, and higher output current—making it ideal for Arduino, Raspberry Pi, and BASIC Stamp projects.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Range:\u003c\/strong\u003e Detects motion up to 30 ft (normal) or 15 ft (reduced sensitivity via onboard jumper).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Field of View:\u003c\/strong\u003e Provides ~90° coverage for room-wide detection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual Indicator:\u003c\/strong\u003e Onboard LED illuminates the dome lens upon motion activation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Powering:\u003c\/strong\u003e Operates across 3 to 6 VDC for easy logic integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Load Driving: \u003c\/strong\u003eIncreased output current supports small external loads without extra circuitry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Mounting: \u003c\/strong\u003eBuilt-in mounting holes (2-56 screws) and standard 3-pin SIP layout for breadboards.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuick Specs:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3 to 6 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Draw:\u003c\/strong\u003e 130 µA (idle) \/ 3 mA (active)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Current:\u003c\/strong\u003e Up to 12 mA @ 3V \/ 23 mA @ 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 1.41″ × 1.0″ × 0.8″ (3.6 × 2.5 × 2.0 cm)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SciencePurchase","offers":[{"title":"Default Title","offer_id":50462062379245,"sku":"32PX555-28027","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/9136\/6829\/files\/733f3cd9fc5b.png?v=1786471991","url":"https:\/\/www.sciencepurchase.com\/products\/parallax-pir-motion-sensor-rev-b","provider":"SciencePurchase","version":"1.0","type":"link"}