{"product_id":"sparkfun-photoacoustic-spectroscopy-co2-sensor-pasco2v01-qwiic","title":"SparkFun Photoacoustic Spectroscopy CO2 Sensor - PASCO2V01 (Qwiic)","description":"\u003cdiv class=\"product-block-list__item product-block-list__item--description details_product\"\u003e\u003cdiv class=\"card\"\u003e\n\u003cdiv class=\"card__header\"\u003e\r\n\u003ch2 class=\"card__title heading h3\"\u003eDescription\u003c\/h2\u003e\r\n\u003c\/div\u003e\n\u003cdiv class=\"card__section expandable-content desc-view-more\" id=\"main-description\"\u003e\n\u003cdiv class=\"rte text--pull\"\u003e\n\u003cul\u003e \u003cli\u003eSparkFun Photoacoustic Spectroscopy CO2 Sensor - PASCO2V01 (Qwiic)\u003c\/li\u003e \u003cli\u003eIncorporates advanced photoacoustic spectroscopy\u003c\/li\u003e \u003cli\u003eDelivers accurate CO2 measurement: 0-32,000ppm\u003c\/li\u003e \u003cli\u003eFeatures direct ppm readouts via I2C, UART, PWM\u003c\/li\u003e \u003cli\u003eIntegrates compact 1in x 1.6in board design\u003c\/li\u003e \u003cli\u003eOffers configurable interrupt pin functionality\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eThe \u003cstrong\u003eSparkFun Photoacoustic Spectroscopy CO2 Sensor - PASCO2V01 (Qwiic)\u003c\/strong\u003e incorporates the XENSIV? PAS CO2 sensor package from Infineon?, designed to deliver precise CO2 measurements in parts-per-million (ppm) format. Utilizing a photoacoustic spectroscopy measurement system, it combines narrow-band filtered infrared light with a sensitive microphone within the sensing cavity to accurately detect CO2 concentrations ranging from 0 to 32,000ppm. The sensor achieves optimal accuracy of  (30ppm + 3%) when readings are between 400ppm and 5,000ppm.\u003c\/p\u003e \u003cp\u003eThis sensor features an integrated microcontroller that facilitates direct ppm readouts through three communication interfaces: I2C, UART, and PWM. The device requires a 12V supply for the infrared emitter, with an AP3012 boost regulator included to convert 3.3V from a Qwiic connection to a clean 12V output. The compact board, measuring 1 inch by 1.6 inches, routes the I2C bus to dual Qwiic connectors and provides access to all sensor pins via 0.1-inch spaced headers.\u003c\/p\u003e \u003cp\u003eThe interrupt pin offers unique functionalities, including alarm thresholds, data readiness, and sensor busy statuses, and can be configured for early measurement start notifications. A week-long calibration period is necessary, with measurements taken every 10 seconds and requiring at least 30 minutes of outdoor exposure.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/gallery.mailchimp.com\/b8f4854d878d50d9997916a29\/images\/05be2850-965d-4af0-91e2-98e652f50e9b.jpg\" style=\"width: 20px; vertical-align: middle;\" alt=\"SparkFun Photoacoustic Spectroscopy CO2 Sensor - PASCO2V01 (Qwiic)\"\u003e \u003cstrong\u003eWARNING\u003c\/strong\u003e: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to: \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cbutton class=\"expandable-content__toggle\" aria-expanded=\"false\" aria-controls=\"main-description\"\u003e\u003cspan class=\"expandable-content__toggle-icon\"\u003e\u003c\/span\u003e\u003cspan class=\"expandable-content__toggle-text\" data-view-more=\"View more\" data-view-less=\"View less\"\u003eView more\u003c\/span\u003e\u003c\/button\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-2\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eWhat's Included\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-2\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cul\u003e\n\u003cli\u003e1x AP3012 Boost Regulator\u003c\/li\u003e\n\u003cli\u003eQwiic connectors\u003c\/li\u003e\n\u003cli\u003e1x SparkFun Photoacoustic Spectroscopy CO2 Sensor - PASCO2V01 (Qwiic)\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-3\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eDimensions\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-3\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cul\u003e\n\u003cli\u003e1 x 1.6 inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Board Dimensions of SparkFun Photoacoustic Spectroscopy CO2 Sensor - Dimensions\" src=\"https:\/\/cdn.robotshop.com\/media\/s\/spa\/rb-spa-2651\/img\/sparkfun_photoacoustic_spectroscopy_co2_sensor_pas_dims.webp\" style=\"width: 600px;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-4\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eLinks\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-4\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cp\u003e\u003cstrong\u003eWebsite\u003c\/strong\u003e\u003c\/p\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/sparkfun\/SparkFun_Qwiic_CO2_Sensor_XENSIV_PAS\" target=\"_blank\"\u003eSparkFun Photoacoustic Spectroscopy CO2 Sensor PASCO2V01 (Qwiic) - GitHub Hardware Repo\u003c\/a\u003e\u003c\/li\u003e\n\n\u003cp\u003e\u003cstrong\u003ePDF Files\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.robotshop.com\/media\/S\/Spa\/RB-Spa-2651\/pdf\/sparkfun_photoacoustic_spectroscopy_co2_sensor_pas_datasheet.pdf\" target=\"_blank\"\u003eSparkFun Photoacoustic Spectroscopy CO2 Sensor - PASCO2V01 (Qwiic) - Datasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.robotshop.com\/media\/S\/Spa\/RB-Spa-2651\/pdf\/sparkfun_photoacoustic_spectroscopy_co2_sensor_pas_design_guidelines.pdf\" target=\"_blank\"\u003eSparkFun Photoacoustic Spectroscopy CO2 Sensor - PASCO2V01 (Qwiic) - Design Guidelines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.robotshop.com\/media\/S\/Spa\/RB-Spa-2651\/pdf\/sparkfun_photoacoustic_spectroscopy_co2_sensor_pas_low_power_note.pdf\" target=\"_blank\"\u003eSparkFun Photoacoustic Spectroscopy CO2 Sensor - PASCO2V01 (Qwiic) - Low Power Note\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.robotshop.com\/media\/S\/Spa\/RB-Spa-2651\/pdf\/sparkfun_photoacoustic_spectroscopy_co2_sensor_pas_compensation_note.pdf\" target=\"_blank\"\u003eSparkFun Photoacoustic Spectroscopy CO2 Sensor - PASCO2V01 (Qwiic) - Compensation Note\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.robotshop.com\/media\/S\/Spa\/RB-Spa-2651\/pdf\/sparkfun_photoacoustic_spectroscopy_co2_sensor_pas_schematic.pdf\" target=\"_blank\"\u003eSparkFun Photoacoustic Spectroscopy CO2 Sensor - PASCO2V01 (Qwiic) - Schematic\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-7\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eSpecifications\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-7\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cul\u003e\n\u003cli\u003eThree communication interfaces: I2C (default), UART, PWM\u003c\/li\u003e\n\u003cli\u003eSupply voltage ranges: VDD3.3: 3.0-3.6V (3.3V typical), VDD12: 10.8-13.2V (12V typical)\u003c\/li\u003e\n\u003cli\u003ePhotoacoustic spectroscopy measurement system\u003c\/li\u003e\n\u003cli\u003eIntegrated microcontroller outputs direct ppm measurements\u003c\/li\u003e\n\u003cli\u003eThree operating modes: Idle, Continuous, Single-Shot\u003c\/li\u003e\n\u003cli\u003eCO2 measurement range: 0-32,000 ppm\u003c\/li\u003e\n\u003cli\u003eMaximum CO2 measurement accuracy: ±(30 ppm + 3% of reading)\u003c\/li\u003e\n\u003cli\u003eMaximum accuracy conditions: Reading between 400 ppm and 5,000 ppm\u003c\/li\u003e\n\u003cli\u003eOperating ambient temperature range: 0-50°C\u003c\/li\u003e\n\u003cli\u003eOperating relative humidity range: 0-85% RH\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sparkfun Electronics","offers":[{"title":"Default Title","offer_id":46094398292119,"sku":"RB-Spa-2651","price":89.29,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/3997\/9927\/files\/sparkfun_photoacoustic_spectroscopy_co2_sensor_pas_3.webp?v=1756896876","url":"https:\/\/ca.robotshop.com\/products\/sparkfun-photoacoustic-spectroscopy-co2-sensor-pasco2v01-qwiic","provider":"RobotShop Canada","version":"1.0","type":"link"}