{"product_id":"flame-sensor-for-arduino","title":"Flame Sensor Module for Arduino - Digital + Analog","description":"\u003cdiv class=\"product-copy\"\u003e\n  \u003cstyle\u003e\n    .product-copy{line-height:1.7;color:#1f2937}\n    .product-copy \u003e * + *{margin-top:1rem}\n    .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n    .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n    .product-copy p{margin:0 0 1em}\n    .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n    .product-copy li{margin:.35em 0}\n    .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n    .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n    .product-copy table th{background:#f9fafb;width:32%}\n    .faq-list{margin:1.2rem 0 1.4rem}\n    .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n    .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n  \u003c\/style\u003e\n\n  \u003ch2\u003eMeasure Light and Optical Changes with a Compact Sensor\u003c\/h2\u003e\n\n  \u003cp\u003eThe \u003cstrong\u003eFlame Sensor for Arduino\u003c\/strong\u003e is a light sensor with uart designed for light logging, optical switching, line tracking, and brightness-aware projects. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.\u003c\/p\u003e\n\n  \u003cp\u003eKey details include \u003cstrong\u003eSupply voltage:\u003c\/strong\u003e 3.3 V to 5 V DC; \u003cstrong\u003eTwo outputs:\u003c\/strong\u003e use D0 (LM393 comparator) for on\/off alarms, or A0 to read intensity via ADC.; \u003cstrong\u003eInterface pins:\u003c\/strong\u003e VCC, GND, D0, A0.\u003c\/p\u003e\n\n  \u003ch3\u003eWhy you’ll love it\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFlame sensor module (Analog + Digital):\u003c\/strong\u003e Flame sensor module (Analog + Digital)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUseful spec:\u003c\/strong\u003e IR flame sensor (photodiode\/phototransistor tuned to ~760–1100 nm)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSensing range:\u003c\/strong\u003e Up to ~80–100 cm for a lighter flame in dim light ( depends on flame size \u0026amp; ambient IR )\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEasy wiring:\u003c\/strong\u003e VCC, GND, D0, A0\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePower range:\u003c\/strong\u003e 3.3 V to 5 V DC\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompact size:\u003c\/strong\u003e Small module; fits breadboards and mini project boxes (dimensions vary slightly by batch)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompare with similar products\u003c\/h3\u003e\n  \u003ctable\u003e\n    \u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003cth\u003eSensor style\u003c\/th\u003e\n\u003cth\u003eStandout\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlame Sensor for Arduino\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003elight sensor with UART\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/flame-sensor-analog\"\u003eFlame Sensor Analog\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003elight sensor with analog and digital output\u003c\/td\u003e\n\u003ctd\u003eanalog output, digital output\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/flame-analog-sensor-gravity\"\u003eFlame Analog Sensor Gravity\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003elight sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eanalog output, remote probe format\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/sensors-optical-light-imaging-photon-sensors-ambient-light-analog-sensor\"\u003eLight Ambient Analog Sensor\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003elight sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eanalog output\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n  \u003cp\u003eThis sensor is a good fit for automatic brightness control, line followers, light meters, UV monitors, flame detection, and optical encoders.\u003c\/p\u003e\n\n  \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n  \u003cp\u003ePair it with an \u003ca href=\"\/search?q=arduino\"\u003eArduino-compatible board\u003c\/a\u003e, \u003ca href=\"\/search?q=esp32\"\u003eESP32\u003c\/a\u003e, or \u003ca href=\"\/search?q=raspberry+pi\"\u003eRaspberry Pi\u003c\/a\u003e, plus a breadboard or jumper wires for quick setup and testing.\u003c\/p\u003e\n\n  \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n  \u003cp\u003eUseful add-ons include USB-to-serial tools, level-safe controllers, displays, and data loggers, depending on how you plan to power, mount, and log the sensor.\u003c\/p\u003e\n\n  \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n  \u003ctable\u003e\n    \u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd\u003eFlame Sensor for Arduino\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eSensor type\u003c\/th\u003e\n\u003ctd\u003eIR flame sensor (photodiode\/phototransistor tuned to ~760–1100 nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eLogic level\u003c\/th\u003e\n\u003ctd\u003e3.3\/5 V compatible digital output (module-dependent; typical TTL high ≈ VCC)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eTypical range\u003c\/th\u003e\n\u003ctd\u003eUp to ~80–100 cm for a lighter flame in dim light ( depends on flame size \u0026amp; ambient IR )\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eInterface pins\u003c\/th\u003e\n\u003ctd\u003eVCC, GND, D0, A0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eOutputs\u003c\/th\u003e\n\u003ctd\u003eD0 (digital, TTL, threshold via LM393) • A0 (analog voltage proportional to IR intensity)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eTwo outputs\u003c\/th\u003e\n\u003ctd\u003euse D0 (LM393 comparator) for on\/off alarms, or A0 to read intensity via ADC.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eSupply voltage\u003c\/th\u003e\n\u003ctd\u003e3.3 V to 5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBoard size\u003c\/th\u003e\n\u003ctd\u003eSmall module; fits breadboards and mini project boxes (dimensions vary slightly by batch)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eWiring \u0026amp; usage notes\u003c\/h3\u003e\n  \u003cp\u003eConnect power and ground, then wire \u003cstrong\u003eTX\u003c\/strong\u003e and \u003cstrong\u003eRX\u003c\/strong\u003e to a serial-capable controller at the correct logic level and baud rate.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n  \u003cp\u003e1 × Flame Sensor for Arduino\u003c\/p\u003e\n\n  \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n  \u003cdiv class=\"faq-list\"\u003e\n    \u003cdiv class=\"faq\"\u003e\n      \u003cstrong\u003eWhat does the Flame Sensor for Arduino measure?\u003c\/strong\u003e\n      It is designed to measure light, color, or optical changes.\n    \u003c\/div\u003e\n    \u003cdiv class=\"faq\"\u003e\n      \u003cstrong\u003eCan I use it with Arduino, ESP32, or Raspberry Pi?\u003c\/strong\u003e\n      Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.\n    \u003c\/div\u003e\n    \u003cdiv class=\"faq\"\u003e\n      \u003cstrong\u003eHow do I connect this UART sensor?\u003c\/strong\u003e\n      This version uses UART or serial output, so you connect power plus TX and RX at the correct logic level.\n    \u003c\/div\u003e\n    \u003cdiv class=\"faq\"\u003e\n      \u003cstrong\u003eWhat affects accuracy?\u003c\/strong\u003e\n      Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.\n    \u003c\/div\u003e\n    \u003cdiv class=\"faq\"\u003e\n      \u003cstrong\u003eIs it good for prototyping?\u003c\/strong\u003e\n      Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Circuitrocks","offers":[{"title":"Default Title","offer_id":45761391231265,"sku":"AB122","price":45.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/flame-sensor-for-arduino-94.jpg?v=1689317114","url":"https:\/\/circuit.rocks\/products\/flame-sensor-for-arduino","provider":"circuitrocks","version":"1.0","type":"link"}