{"product_id":"gravity-ltr390-uv-light-sensor-280nm-430nm-uva-uvb","title":"Gravity: LTR390 UV Light Sensor (280nm-430nm, UVA, UVB)","description":"\u003ch2\u003eIntroduction\u003c\/h2\u003e\n\u003cp\u003eThis Gravity: LTR390-UV sensor from DFRobot provides both ambient light and UV sensing with UV spectral response from 280nm to 430nm and raw data output. It features high sensitivity, quick response, and strong anti-interference ability.\u003c\/p\u003e\n\u003cp\u003eWith built-in ADC and MCU, this UV module can convert light data to a digital signal capable of being output via I2C or UART interface. It can be used for light experiments, outdoor UV detection, and other scenarios requiring UV or ambient light monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0668\/0641\/5437\/files\/E31022-content1.webp?v=1791457811\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eI2C Connection Diagram\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0668\/0641\/5437\/files\/E31022-content2.webp?v=1791457831\" alt=\"\"\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eUART Connection Diagram\u003c\/b\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSupport I2C and UART communication\u003c\/li\u003e\n\u003cli\u003e3.3V \u0026amp; 5V compatible\u003c\/li\u003e\n\u003cli\u003e13 to 20 bits effective resolution\u003c\/li\u003e\n\u003cli\u003eAdjustable gain range: 1, 3, 6, 9 and 18\u003c\/li\u003e\n\u003cli\u003eInterrupt function, programmable upper and lower thresholds\u003c\/li\u003e\n\u003cli\u003eClose to human eye spectral response\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUV intensity detection\u003c\/li\u003e\n\u003cli\u003eLight intensity detection\u003c\/li\u003e\n\u003cli\u003eWeather experiments for teaching\u003c\/li\u003e\n\u003cli\u003eLight detection experiments\u003c\/li\u003e\n\u003cli\u003eDevices for monitoring UV index\u003c\/li\u003e\n\u003cli\u003eDevices for outdoor UV detection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eChip: LTR390-UV-01\u003c\/li\u003e\n\u003cli\u003eOperating Voltage: DC 3.3V to 5V\u003c\/li\u003e\n\u003cli\u003eOperating Current: about 2.73mA (18-bit data acquisition with a time of 100ms)\u003c\/li\u003e\n\u003cli\u003eCommunication Interface: I2C, UART\u003c\/li\u003e\n\u003cli\u003eUV Response Wavelength: 280nm to 430nm\u003c\/li\u003e\n\u003cli\u003eALS Spectral Response Wavelength: 450nm to 700nm\u003c\/li\u003e\n\u003cli\u003eOutput Type: digital output\u003c\/li\u003e\n\u003cli\u003eDimension: 32mm×27mm\/1.26×1.06”\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eShipping List\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGravity: LTR390-UV Sensor × 1\u003c\/li\u003e\n\u003cli\u003eGravity-4P I2C\/UART Sensor Cable × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDocuments\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/sen0540\/\" target=\"_blank\"\u003eProduct Wiki\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/github.com\/May-DFRobot\/DFRobot\/raw\/master\/%5BSEN0540%5DGravity%EF%BC%9ALTR390-UV%20sensor(V1.0.0).pdf\" target=\"_blank\"\u003eSchematics\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":67603599196237,"sku":"E31022-001","price":15.64,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0641\/5437\/files\/E31022-win1.jpg?v=1791457877","url":"https:\/\/www.mlab.com.au\/products\/gravity-ltr390-uv-light-sensor-280nm-430nm-uva-uvb","provider":"MLAB","version":"1.0","type":"link"}