{"product_id":"adafruit-feather-32u4-adalogger","title":"Adafruit Feather 32u4 Adalogger","description":"\u003cp\u003e\u003cem\u003e\u003cstrong\u003eAdafruit Feather 32u4 Adalogger combines USB, battery charging, and a built-in microSD cardholder, making it an easy, portable solution for Arduino-based data logging projects.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u0026lt;\u0026gt;\n\u003cp\u003eFeather is Adafruit’s lightweight, portable development board family—thin, compact, and designed to power projects you can take anywhere. Built to be a new standard for mobile microcontroller platforms, Feather combines USB connectivity, battery support, and a consistent form factor across the range.\u003c\/p\u003e\n\u003cp\u003eThe Adafruit Feather 32u4 Adalogger is Adafruit’s take on an all-in-one datalogger (or data reader). It’s based on the Feather 32u4 and adds a built-in microSD cardholder, making it ready for logging sensor data or reading files straight out of the box.\u003c\/p\u003e\n\u003cp\u003eAt its core is the ATmega32u4, running at 8 MHz with 3.3 V logic—the same proven setup used on the Adafruit Flora. The chip provides 32 KB of flash and 2 KB of RAM, along with native USB support. This means no external USB-to-serial chip is needed, and the board can also act as a USB HID device, such as a mouse, keyboard, or USB MIDI controller.\u003c\/p\u003e\n\u003cp\u003eDesigned with portability in mind, the Feather 32u4 Adalogger includes a JST connector for 3.7 V lithium polymer batteries and onboard battery charging. It can run directly from the micro USB connector, from a battery, or automatically switch between the two when USB power is available. The battery voltage is routed through a resistor divider to an analogue pin, allowing you to monitor battery levels and know when it’s time to recharge.\u003c\/p\u003e\n\u003cp\u003eThe extra board space is used to add data-logging essentials:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMicroSD cardholder for reading or writing large amounts of data\u003c\/li\u003e\n\u003cli\u003eGreen LED on pin #8 for status indication or simple debugging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe board ships fully assembled and tested, with a USB bootloader pre-installed for quick use with the Arduino IDE. Header pins are included but not soldered. \u003cstrong\u003eLiPo battery, microSD card, breadboard, JST cable and USB cable are not included.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/NneG1LLdyxs?si=Ib2hnrtGYDwmOOb0\u0026amp;start=660\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eATmega32u4 @ 8MHz with 3.3V logic\/power\u003c\/li\u003e\n\u003cli\u003e3.3V regulator with 500mA peak current output\u003c\/li\u003e\n\u003cli\u003eUSB native support, comes with USB bootloader and serial port debugging\u003c\/li\u003e\n\u003cli\u003eYou also get tons of pins - 20 GPIO pins\u003c\/li\u003e\n\u003cli\u003eHardware Serial, hardware I2C, hardware SPI support\u003c\/li\u003e\n\u003cli\u003e7 x PWM pins\u003c\/li\u003e\n\u003cli\u003e10 x analogue inputs\u003c\/li\u003e\n\u003cli\u003eBuilt in 100mA lipoly charger with charging status indicator LED\u003c\/li\u003e\n\u003cli\u003ePin #13 red LED for general purpose blinking\u003c\/li\u003e\n\u003cli\u003ePower\/enable pin\u003c\/li\u003e\n\u003cli\u003e4 mounting holes\u003c\/li\u003e\n\u003cli\u003eReset button\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures 51mm x 23mm x 8mm - without headers\u003c\/li\u003e\n\u003cli\u003eWeight - 5.1 grams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRevision History\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAs of July 26, 2023 \u003c\/strong\u003e– We've updated this PCB with Adafruit Pinguin to make a lovely and legible silkscreen - you may get the new PCB or the older version with vector fonts - both are identical other than the fancy silkscreen.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDatasheet\u003c\/li\u003e\n\u003cli\u003eTutorial\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x Adafruit Feather 32u4 Adalogger\u003c\/li\u003e\n\u003cli\u003e2x 16-pin headers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":48623666495706,"sku":"rqr1789675102062","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0824\/8318\/3834\/files\/adafruit-feather-32u4-adalogger_1.jpg?v=1789675129","url":"https:\/\/memoryfoamwear.shop\/products\/adafruit-feather-32u4-adalogger","provider":"My Store","version":"1.0","type":"link"}