Overview | No-Code Offline Data Logger with WipperSnapper

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Install WipperSnapper's offline mode firmware on an Adafruit Feather RP2040 Adalogger, use a microSD card for storage, and add a configuration file to use the Feather RP2040 with the BME280 Humidity + Barometric Pressure + Temperature Sensor breakout.聽" /> <meta property="og:type" content="website" /> <meta name="image" property="og:image" content="https://cdn-learn.adafruit.com/guides/images/000/004/185/medium800/cropped-IMG_4424.JPG" /> <meta name="url" property="og:url" content="https://learn.adafruit.com/no-code-offline-data-logging-with-wippersnapper/overview" /> <meta name="site_name" property="og:site_name" content="Adafruit Learning System" /> <script type="application/ld+json"> { "@context": "http://schema.org", "@type": "WebSite", "url": "https://learn.adafruit.com/no-code-offline-data-logging-with-wippersnapper/overview", "name": "No-Code Offline Data Logger with WipperSnapper", "description": "Looking to build an electronics project that logs data to a MicroSD card?聽 Build a simple datalogger that can log temperature, barometric pressure, and humidity to a microSD card, without programming! Install WipperSnapper's offline mode firmware on an Adafruit Feather RP2040 Adalogger, use a microSD card for storage, and add a configuration file to use the Feather RP2040 with the BME280 Humidity + Barometric Pressure + Temperature Sensor breakout.聽", "publisher": "Adafruit", "datePublished": "2025-03-05T11:27:36-05:00", "potentialAction": { "@type": "SearchAction", "target": "https://learn.adafruit.com/search?q={search_term}", "query-input": "required name=search_term" }, "author": { "@type": "Person", "name": "Brent Rubell" } } </script> <meta name="csrf-param" content="authenticity_token" /> <meta name="csrf-token" content="QStHbPDeiwe3obbiQAL1Jf9YQZnirR78xvGQtOqxqeddSshTRw1Q5NoWi5o9OD5lfyeH4W8Pq-qI3xuTeZ7vTg" /> <link rel="alternate" type="application/atom+xml" title="ATOM" href="/feed" /> <link rel="alternate" type="application/rss+xml" title="RSS" href="/feed.rss" /> <link rel="stylesheet" href="/assets/application-ec0f18c6.css" data-turbo-track="reload" media="screen" /> 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WipperSnapper</a> <i class="fa fa-chevron-right separator"></i> Overview </div> </div> <div class="right-content"> </div> </div> </div> <article id="content-wrapper" lang="en" class="" data-page-id="29890" data-guide-id="4185"> <header aria-label="Guide information" class="title-header"> <h1 class="title" aria-label="Guide title">No-Code Offline Data Logger with WipperSnapper</h1> <div class="details"> <img alt="Image for user brubell" class="user-image" src="https://secure.gravatar.com/avatar/d9286a381b48c98acdeb542589a61db4?s=100" /> <div class="metadata"> <div class="byline"> by <a aria-label="Guide author" data-turbo="false" href="/u/brubell">Brent Rubell</a> </div> <div class="updated"> published March 05, 2025, last edited March 05, 2025<br> </div> <div class="small"> posted in <a href="/category/sensors">Sensors</a> <a href="/category/internet-of-things-iot">Internet of Things - IOT</a>/ <a href="/category/adafruit-io">Adafruit IO</a> <a href="/category/feather">Feather</a>/ <a 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This guide along with WipperSnapper Firmware's Offline Mode is a work in progress.</p> <p>For more info, please scroll down to the bottom of this page.</p></span> </div> <div class="element image-element"> <a href="/assets/135528"> <img class="135528-asset" srcset="https://cdn-learn.adafruit.com/assets/assets/000/135/528/small360/sensors_cropped-IMG_4424.jpg?1740686410 360w, https://cdn-learn.adafruit.com/assets/assets/000/135/528/medium640/sensors_cropped-IMG_4424.jpg?1740686410 640w, https://cdn-learn.adafruit.com/assets/assets/000/135/528/medium800/sensors_cropped-IMG_4424.jpg?1740686410 800w, https://cdn-learn.adafruit.com/assets/assets/000/135/528/large1024/sensors_cropped-IMG_4424.jpg?1740686410 1024w" sizes="(max-width: 360px) 360px, (max-width: 640px) 640px, (max-width: 800px) 800px, 1024px" src="https://cdn-learn.adafruit.com/assets/assets/000/135/528/medium800/sensors_cropped-IMG_4424.jpg?1740686410" alt="sensors_cropped-IMG_4424.jpg" /> </a> </div> <div class="text-element"> <p><em>Looking to build an electronics project that logs data to a MicroSD card?聽</em></p> <p>In this guide, we'll <strong>build a simple datalogger that can log temperature, barometric pressure, and humidity to a microSD card, without programming</strong>! You'll install WipperSnapper's offline mode firmware on an Adafruit Feather RP2040 Adalogger, format the microSD card to be used for storage, and add a configuration file to use the Feather RP2040 with the BME280 Humidity + Barometric Pressure + Temperature Sensor Breakout.聽</p> </div> <div class="element image-element"> <a href="/assets/135529"> <video preload="auto" muted="muted" loop="loop" playsinline poster="https://cdn-learn.adafruit.com/assets/assets/000/135/529/medium800thumb/sensors_hero-gif-ezgif.com-video-to-gif-converter.jpg?1740686439" aria-label="sensors_hero-gif-ezgif.com-video-to-gif-converter.gif" />> <source src="https://cdn-learn.adafruit.com/assets/assets/000/135/529/large1024mp4/sensors_hero-gif-ezgif.com-video-to-gif-converter.mp4?1740686439"></source> <source src="https://cdn-learn.adafruit.com/assets/assets/000/135/529/large1024webm/sensors_hero-gif-ezgif.com-video-to-gif-converter.webm?1740686439" type="video/webm; codecs=vp8,vorbis"></source> Your browser does not support the video tag. </video> </a> </div> <div class="text-element"> <h3> <div class="anchor-anchor"> <a href="#whats-wippersnapper-offline-mode-3194125" class="anchor-link"><span class="fa fa-link"></span></a><span id="whats-wippersnapper-offline-mode-3194125" class="anchor-link-target"></span> </div>What's "WipperSnapper Offline Mode"?</h3> <p><a href="https://learn.adafruit.com/quickstart-adafruit-io-wippersnapper">Adafruit WipperSnapper</a> firmware's <em>offline mode</em> enables you to <strong>build and configure a data logger project without writing any code. </strong>Just <strong>install the WipperSnapper offline mode firmware on your board</strong>, <strong>add a </strong><em><strong>configuration file</strong>聽</em>to the board's filesystem, <strong>and reboot the board</strong>. When the board reboots, <strong>the board automatically configures its sensors and immediately begins logging data to a microSD card</strong> and through a USB Serial connection.</p> </div> <div class="text-element"> <h2> <div class="anchor-anchor"> <a href="#parts-3194066" class="anchor-link"><span class="fa fa-link"></span></a><span id="parts-3194066" class="anchor-link-target"></span> </div>Parts</h2> </div> <div class='product-element first' data-product-id="5980" aria-labelledby="product-title-5980"> <input type="hidden" name="product_analytics_5980" id="product_analytics_5980" value="{ "item_list_id": "4185:29890", "item_list_name": "no-code-offline-data-logging-with-wippersnapper/overview", "items": { "item_id": 5980, "item_name": "Adafruit Feather RP2040 Adalogger - 8MB Flash with microSD Card", "affiliation": "Inline Product" } }" class="product-json" autocomplete="off" /> <div class='product-column product-image'> <img class='image-preview product-asset' src='https://cdn-shop.adafruit.com/640x480/5980-00.jpg' alt='Angled shot of black, rectangular datalogging board.' data-error='/assets/missing%2Fmissing.png' /> </div> <div class="product-column product-details-wrapper"> <div class='product-details'> <div id="product-title-5980" class='product-title'><a class="product-link" href="https://www.adafruit.com/product/5980">Adafruit Feather RP2040 Adalogger - 8MB Flash with microSD Card</a> </div> <div class='product-description'>This is the Adafruit Feather RP2040 Adalogger - our take on an 'all-in-one' RP2040 data-logger (or data-reader) with built-in USB, battery charging,...</div> <a class="small" href="/products/5980/guides">guides with product</a> </div> <div class="bottom-section"> <div class='product-price-wrapper'> <div class="product-price">$14.95</div> <div class="in-stock">In Stock</div> </div> <div class='product-buy-wrapper'> <a id="5980-product" class="product-buy btn-primary parts-url" data-pid="5980" data-name="Adafruit Feather RP2040 Adalogger - 8MB Flash with microSD Card" target="_blank" aria-live="polite" rel="noopener noreferrer" href="https://www.adafruit.com/product/5980">Add to Cart</a> </div> </div> </div> </div> <div class='product-element ' data-product-id="2652" aria-labelledby="product-title-2652"> <input type="hidden" name="product_analytics_2652" id="product_analytics_2652" value="{ "item_list_id": "4185:29890", "item_list_name": "no-code-offline-data-logging-with-wippersnapper/overview", "items": { "item_id": 2652, "item_name": "Adafruit BME280 I2C or SPI Temperature Humidity Pressure Sensor", "affiliation": "Inline Product" } }" class="product-json" autocomplete="off" /> <div class='product-column product-image'> <img class='image-preview product-asset' src='https://cdn-shop.adafruit.com/640x480/2652-04.jpg' alt='Adafruit BME280 I2C or SPI Temperature Humidity Pressure Sensor' data-error='/assets/missing%2Fmissing.png' /> </div> <div class="product-column product-details-wrapper"> <div class='product-details'> <div id="product-title-2652" class='product-title'><a class="product-link" href="https://www.adafruit.com/product/2652">Adafruit BME280 I2C or SPI Temperature Humidity Pressure Sensor</a> </div> <div class='product-description'>Bosch has stepped up their game with their new BME280 sensor, an environmental sensor with temperature, barometric pressure and humidity! This sensor is great for all sorts...</div> <a class="small" href="/products/2652/guides">guides with product</a> </div> <div class="bottom-section"> <div class='product-price-wrapper'> <div class="product-price">$14.95</div> <div class="in-stock">In Stock</div> </div> <div class='product-buy-wrapper'> <a id="2652-product" class="product-buy btn-primary parts-url" data-pid="2652" data-name="Adafruit BME280 I2C or SPI Temperature Humidity Pressure Sensor" target="_blank" aria-live="polite" rel="noopener noreferrer" href="https://www.adafruit.com/product/2652">Add to Cart</a> </div> </div> </div> </div> <div id="element-3194071" class='element parts-element ' data-position="9" aria-label="Part MicroSD Memory Card quantity 1"> <div class='parts-details'> <div> <span class='parts-quantity'>1</span><span> x </span> <a href='https://www.adafruit.com/product/1294' class='parts-name' target='_blank' rel="noopener noreferrer">MicroSD Memory Card</a> <div class='parts-description'>SD/MicroSD Memory Card (8 GB SDHC)</div> </div> </div> <div class='parts-action'> <div> <a id="1294-product" class="product-buy btn-primary parts-url" data-pid="1294" data-qty="1" data-name="SD/MicroSD Memory Card (8 GB SDHC)" target="_blank" aria-live="polite" rel="noopener noreferrer" href="https://www.adafruit.com/product/1294">Add to Cart</a> </div> </div> <div class="clearfix"></div> </div> <div id="element-3194072" class='element parts-element ' data-position="10" aria-label="Part STEMMA QT JST SH 4-pin Cable quantity 1"> <div class='parts-details'> <div> <span class='parts-quantity'>1</span><span> x </span> <a href='https://www.adafruit.com/product/4210' class='parts-name' target='_blank' rel="noopener noreferrer">STEMMA QT JST SH 4-pin Cable</a> <div class='parts-description'>STEMMA QT / Qwiic JST SH 4-pin Cable - 100mm Long</div> </div> </div> <div class='parts-action'> <div> <a id="4210-product" class="product-buy btn-primary parts-url" data-pid="4210" data-qty="1" data-name="STEMMA QT / Qwiic JST SH 4-pin Cable - 100mm Long" target="_blank" aria-live="polite" rel="noopener noreferrer" href="https://www.adafruit.com/product/4210">Add to Cart</a> </div> </div> <div class="clearfix"></div> </div> <div id="element-3194371" class='element parts-element last ' data-position="11" aria-label="Part USB Cable USB Type A to Type C quantity 1"> <div class='parts-details'> <div> <span class='parts-quantity'>1</span><span> x </span> <a href='https://www.adafruit.com/product/5031' class='parts-name' target='_blank' rel="noopener noreferrer">USB Cable USB Type A to Type C</a> <div class='parts-description'>Right Angle USB Type C - Black 1 meter long</div> </div> </div> <div class='parts-action'> <div> <a id="5031-product" class="notify product-buy btn-primary parts-url" data-pid="5031" data-qty="1" data-name="Woven USB Cable with USB Type A to Right Angle USB Type C" target="_blank" aria-live="polite" rel="noopener noreferrer" href="https://www.adafruit.com/product/5031">Out of Stock</a> </div> </div> <div class="clearfix"></div> </div> <div class="text-element"> <h2> <div class="anchor-anchor"> <a href="#about-wippersnappers-offline-mode-beta-3194497" class="anchor-link"><span class="fa fa-link"></span></a><span id="about-wippersnappers-offline-mode-beta-3194497" class="anchor-link-target"></span> </div>About WipperSnapper's Offline Mode Beta</h2> </div> <div class="text-element"> <p><strong>Adafruit WipperSnapper's offline mode is currently in active development</strong>. While the firmware is ready for you to use, configuring the device isn't as <em>magical</em> and <em>adafruit-y</em> as we'd like...yet!</p> <p>Our developers are building out a web-based workflow that will be accessible from Adafruit.IO to allow you to visually configure your device's sensors and export the resulting configuration. This will be similar to how you add sensors and configure a device from Adafruit IO.</p> <p><strong>We encourage you to try out the WipperSnapper offline firmware with the understanding that it is not final release software, is still in development, and will get easier to use over the coming months.</strong></p> </div> <div class="faq-element " data-controller="collapse" aria-label="Collapsible prompt What skills do I need to complete this guide?"> <i class='fa fa-question prompt-icon'></i> <div class="faq-anchor-anchor"> <a href="#faq-3193425" class='anchor-link'><span class='fa fa-link'></span></a> <span id="faq-3193425" class='anchor-link-target'></span> </div> <div class="collapsible-content" data-action="click->collapse#toggle" aria-controls="faq-answer_element_3193425"> <div class="question"> <div class="text"> What skills do I need to complete this guide? </div> <div class="collapsible-icon"> <i class="collapsed-icon" data-collapse-target="icon"></i> </div> </div> <div id="faq-answer_element_3193425" class="answer collapse in"><p>You should be comfortable creating and editing a JSON text file.</p></div> </div> </div> <div class="faq-element " data-controller="collapse" aria-label="Collapsible prompt I read through the guide and it is unfortunately too advanced for me. What should I do?"> <i class='fa fa-question prompt-icon'></i> <div class="faq-anchor-anchor"> <a href="#faq-3193426" class='anchor-link'><span class='fa fa-link'></span></a> <span id="faq-3193426" class='anchor-link-target'></span> </div> <div class="collapsible-content" data-action="click->collapse#toggle" aria-controls="faq-answer_element_3193426"> <div class="question"> <div class="text"> I read through the guide and it is unfortunately too advanced for me. What should I do? </div> <div class="collapsible-icon"> <i class="collapsed-icon" data-collapse-target="icon"></i> </div> </div> <div id="faq-answer_element_3193426" class="answer collapse in"><p>We are releasing this guide before the web-based workflow to get feedback from the community. You may want to wait a few months for us to build out the web-based workflow for the offline mode.</p></div> </div> </div> <div class="faq-element " data-controller="collapse" aria-label="Collapsible prompt I am having a trouble - My device is not working properly"> <i class='fa fa-question prompt-icon'></i> <div class="faq-anchor-anchor"> <a href="#faq-3193427" class='anchor-link'><span class='fa fa-link'></span></a> <span id="faq-3193427" class='anchor-link-target'></span> </div> <div class="collapsible-content" data-action="click->collapse#toggle" aria-controls="faq-answer_element_3193427"> <div class="question"> <div class="text"> I am having a trouble - My device is not working properly </div> <div class="collapsible-icon"> <i class="collapsed-icon" data-collapse-target="icon"></i> </div> </div> <div id="faq-answer_element_3193427" class="answer collapse in"><p>If you encounter any bugs, glitches, or difficulties while following this guide,<span>聽</span><a href="https://forums.adafruit.com/viewforum.php?f=66">please file an issue on the WipperSnapper support forum</a>.</p></div> </div> </div> </div> <div class="page-last-updated"> <p>Page last edited March 04, 2025</p> <p>Text editor powered by <a href="https://www.tiny.cloud/">tinymce</a>.</p> </div> </div> <div class="page-navigation"> <a class="next-page btn-primary large" aria-label="Next page" href="/no-code-offline-data-logging-with-wippersnapper/supported-hardware"> Supported Hardware <i class="fa fa-chevron-right"></i> </a> </div> </div> </div> </article> <div class="related-guides-wrapper"> <section class="content-card-group-preview"> <div class="group-preview-headline"> <div class="title"> Related Guides </div> </div> <a class="scroll-back"><i class="fa fa-angle-left"></i></a> <div class="content-card-group-container"> <div class="content-card-group">  <div class="guide-preview content-card"> <div class="preview-content"> <a aria-hidden="true" href="/adafruit-feather-rp2040-adalogger"> <div class="image-container"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/027/medium640/5980-00.jpg?1719496271" aria-hidden="true" alt="top angle view of the Feather" class="image-preview lazy" src="data:," /> </div> </a> <div class="bottom-section"> <div class="content"> <a class="title" aria-label="Guide title" href="/adafruit-feather-rp2040-adalogger">Adafruit Feather RP2040 Adalogger</a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/BlitzCityDIY"> <span class="name">Liz Clark</span> </a> </div> <div class="badges"> <div class="badge favorites " title="Saves"> 8 </div> <div class="badge skill-level"> Beginner </div> </div> </div> </div> </div> </div>  <div class="guide-preview content-card"> <div class="preview-content"> <a aria-hidden="true" href="/diy-air-quality-monitor"> <div class="image-container"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/003/137/medium640/D44F5BB0-1BEF-48C4-AAF2-FCB854976FA5_1_201_a.jpeg?1602790495" aria-hidden="true" alt="IoT Air Quality Sensor with Adafruit IO" class="image-preview lazy" src="data:," /> </div> </a> <div class="bottom-section"> <div class="content"> <a class="title" aria-label="Guide title" href="/diy-air-quality-monitor">IoT Air Quality Sensor with Adafruit IO</a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/brubell"> <span class="name">Brent Rubell</span> </a> </div> <div class="badges"> <div class="badge favorites " title="Saves"> 108 </div> <div class="badge skill-level"> Beginner </div> </div> </div> </div> </div> </div>  <div class="guide-preview content-card"> <div class="preview-content"> <a aria-hidden="true" href="/adding-a-single-board-computer-to-blinka"> <div class="image-container"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/002/948/medium640/main_image.jpg?1585357304" aria-hidden="true" alt="Adding a Single Board Computer to Blinka" class="image-preview lazy" src="data:," /> </div> </a> <div class="bottom-section"> <div class="content"> <a class="title" aria-label="Guide title" href="/adding-a-single-board-computer-to-blinka">Adding a Single Board Computer to Blinka</a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/MakerMelissa"> <span class="name">M. 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