{"product_id":"tsl2591-i2c-light-sensor-breakout-module-high-dynamic-range","title":"TSL2591 I2C Light Sensor Breakout Module – High Dynamic Range","description":"\u003ch2\u003eTSL2591 I2C Light Sensor Breakout Module | High Dynamic Range Digital Board\u003c\/h2\u003e\n\u003cp\u003eTake your DIY electronics projects to the next level with the \u003cstrong\u003eTSL2591 IIC\/I2C Light Sensor Breakout Module\u003c\/strong\u003e. Built around the powerful \u003cstrong\u003eTSL25911FN chip\u003c\/strong\u003e, this compact digital light-sensing board delivers exceptional high dynamic range (HDR) lux measurements — perfect for Arduino, Raspberry Pi, and other microcontroller platforms. Whether you're building an automatic brightness controller, a smart lighting system, or an environmental monitor, this module gives you accurate, reliable ambient light data with minimal effort.\u003c\/p\u003e\n\n\u003cp\u003eCompatible with both \u003cstrong\u003e3.3V and 5V\u003c\/strong\u003e logic systems, it connects easily via the standard \u003cstrong\u003eI2C (IIC) interface\u003c\/strong\u003e, requiring just two signal wires. Available in packs of 1, 2, or 3 boards so you can stock up for multiple projects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTSL25911FN Sensor Chip\u003c\/strong\u003e — high dynamic range digital light sensor with up to 600M:1 dynamic range\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI2C \/ IIC Interface\u003c\/strong\u003e — simple two-wire communication, easy to integrate with Arduino, ESP32, Raspberry Pi, and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Supply Voltage\u003c\/strong\u003e — works seamlessly with 3.3V and 5V systems, no level shifter needed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature\u003c\/strong\u003e — rated from -30°C to 80°C for use in demanding environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMD Package Design\u003c\/strong\u003e — compact, low-profile breakout board for space-constrained builds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeparate IR and Full-Spectrum Channels\u003c\/strong\u003e — allows precise calculation of visible light (lux) by subtracting infrared component\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Gain \u0026amp; Integration Time\u003c\/strong\u003e — fine-tune sensitivity from bright sunlight to near darkness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable in 1–3 Piece Packs\u003c\/strong\u003e — cost-effective multi-pack options for prototyping and production\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor IC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTSL25911FN\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eI2C \/ IIC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.3V – 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-30°C to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD Breakout Board\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1, 2, or 3 × TSL2591 Light Sensor Breakout Module (as selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGreat Pairings for Your Electronics Projects\u003c\/h3\u003e\n\u003cp\u003eLooking for more electronics tools and DIY components? Check out these related products in our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the TSL2591 light sensor breakout module compatible with Arduino and Raspberry Pi?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The TSL2591 I2C breakout module communicates over the standard I2C (IIC) protocol, making it fully compatible with Arduino, Raspberry Pi, ESP8266, ESP32, STM32, and virtually any microcontroller with I2C support. Libraries are widely available for quick setup.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this module work with both 3.3V and 5V microcontrollers?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The TSL2591 breakout board supports a supply voltage range of 3.3V to 5V, so it works directly with both 3.3V systems (like Raspberry Pi and ESP32) and 5V systems (like standard Arduino Uno) without requiring a separate voltage level shifter.\u003c\/p\u003e\n\u003ch4\u003eQ: What makes the TSL2591 better than simpler light sensors like the LDR or BH1750?\u003c\/h4\u003e\n\u003cp\u003eA: The TSL2591 features an exceptionally high dynamic range of up to 600M:1, separate IR and full-spectrum photodiode channels, and programmable gain \u0026amp; integration time settings. This allows it to accurately measure lux levels across a far wider range of lighting conditions — from near-total darkness to direct bright sunlight — making it ideal for precision ambient light sensing applications.\u003c\/p\u003e\n\u003ch4\u003eQ: How many modules are included in the pack?\u003c\/h4\u003e\n\u003cp\u003eA: This listing offers a choice of 1, 2, or 3 TSL2591 breakout modules. Simply select the quantity that suits your project needs at checkout.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the TSL2591 light sensor breakout module compatible with Arduino and Raspberry Pi?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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