{"product_id":"infrared-flame-sensor-module-4-pin-arduino-diy-kit","title":"4-Pin Infrared Flame Sensor Module 3.3V-5V for Arduino","description":"\u003ch2\u003e4-Pin Infrared Flame Sensor Module – Adjustable Sensitivity for Arduino DIY Projects\u003c\/h2\u003e\n\u003cp\u003eTake your Arduino-based fire detection and safety projects to the next level with this compact, highly responsive \u003cstrong\u003e4-Pin Infrared Flame Sensor Module\u003c\/strong\u003e. Designed for makers, hobbyists, and electronics engineers alike, this versatile module detects flame and infrared light sources with precision — all while fitting neatly onto a lightweight 3.2 × 1.4 cm PCB. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide-Spectrum Detection:\u003c\/strong\u003e Detects flames and infrared light sources with wavelengths between 760nm and 1100nm, making it suitable for a broad range of fire-detection applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong-Range Sensing:\u003c\/strong\u003e Capable of detecting a lighter flame from up to 80cm away — the larger the flame, the greater the detection range.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e60° Detection Angle:\u003c\/strong\u003e Broad sensing angle with heightened sensitivity to flame spectra for reliable real-world performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Sensitivity:\u003c\/strong\u003e Fine-tune the module's response using the onboard blue digital potentiometer — no extra tools required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean Signal Output:\u003c\/strong\u003e LM393 comparator delivers a clean, stable waveform with a driving capability exceeding 15mA.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Output Modes:\u003c\/strong\u003e Supports both DO (digital switch: 0\/1) and AO (analog voltage) outputs, giving you maximum flexibility for your project.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Includes fixed bolt holes for secure, hassle-free mounting in your enclosure or prototype.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Voltage Compatibility:\u003c\/strong\u003e Operates reliably on 3.3V to 5V systems, compatible with most microcontrollers and Arduino boards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Voltage:\u003c\/strong\u003e 3.3V – 5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDetectable Wavelength:\u003c\/strong\u003e 760nm – 1100nm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDetection Range:\u003c\/strong\u003e Up to 80cm (lighter flame)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDetection Angle:\u003c\/strong\u003e ~60°\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e DO (digital) + AO (analog)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComparator IC:\u003c\/strong\u003e LM393\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB Size:\u003c\/strong\u003e 3.2 × 1.4 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2g\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eConnect the module's output pin directly to an IO port on your microcontroller or Arduino board.\u003c\/li\u003e\n  \u003cli\u003eAdjust the onboard potentiometer to set your desired sensitivity level.\u003c\/li\u003e\n  \u003cli\u003eKeep the sensor at a safe distance from open flames to prevent heat damage — a minimum of 80cm is recommended for lighter-sized flames.\u003c\/li\u003e\n  \u003cli\u003eUse the analog output (AO) with AD conversion for higher measurement accuracy in advanced projects.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Infrared Flame Sensor Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cp\u003eActual product color may vary slightly from images due to monitor settings and lighting conditions. Please allow ±1–2cm measurement deviation due to manual measurement. This module is intended for DIY, educational, and prototyping use only — always follow safe electrical and fire-handling practices.\u003c\/p\u003e\n\n\u003cp\u003eFor guidance on electronics safety in maker and DIY environments, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What wavelength range does this infrared flame sensor module detect?\u003c\/h4\u003e\n\u003cp\u003eA: The flame sensor module detects infrared light sources and flames in the 760nm to 1100nm wavelength range, making it effective for detecting most open flame sources used in Arduino fire alarm and detection projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this flame sensor module compatible with standard Arduino boards?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The module operates on 3.3V–5V, which is compatible with most Arduino boards (Uno, Mega, Nano, etc.) as well as other microcontrollers. Its output pin connects directly to any digital or analog IO port.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I adjust the sensitivity of the flame sensor?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The onboard blue digital potentiometer lets you fine-tune the detection sensitivity to suit your specific project needs — no additional components required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum detection distance for this sensor?\u003c\/h4\u003e\n\u003cp\u003eA: Under standard conditions, the sensor can detect a lighter flame from approximately 80cm away. Larger flames can be detected from even greater distances.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What wavelength range does this infrared flame sensor module detect?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The flame sensor module detects infrared light sources and flames in the 760nm to 1100nm wavelength range, making it effective for detecting most open flame sources used in Arduino fire alarm and detection projects.\"}}, {\"@type\": \"Question\", \"name\": \"Is this flame sensor module compatible with standard Arduino boards?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The module operates on 3.3V–5V, which is compatible with most Arduino boards (Uno, Mega, Nano, etc.) as well as other microcontrollers. Its output pin connects directly to any digital or analog IO port.\"}}, {\"@type\": \"Question\", \"name\": \"Can I adjust the sensitivity of the flame sensor?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The onboard blue digital potentiometer lets you fine-tune the detection sensitivity to suit your specific project needs — no additional components required.\"}}, {\"@type\": \"Question\", \"name\": \"What is the maximum detection distance for this sensor?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Under standard conditions, the sensor can detect a lighter flame from approximately 80cm away. Larger flames can be detected from even greater distances.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"4-Pin Infrared Flame Sensor Module 3.3V-5V for Arduino\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/products\/infrared-flame-sensor-module-4-pin-arduino-diy-kit\"}]}\u003c\/script\u003e","brand":"Vue","offers":[{"title":"Default Title","offer_id":48746961993920,"sku":"\u003cnone\u003e","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9338\/7968\/files\/Sd73656d2c1fb4f8b99e864b78f17c7afp.webp?v=1786196570","url":"https:\/\/vueselect.com\/products\/infrared-flame-sensor-module-4-pin-arduino-diy-kit","provider":"Vue","version":"1.0","type":"link"}