{"product_id":"seeed-studio-xiao-nrf52840-sense-xiao-ble-sense","title":"Seeed Studio XIAO nRF52840 Sense (XIAO BLE Sense)","description":"\u003cp\u003eSeeed Studio XIAO nRF52840 Sense (XIAO BLE Sense) is the sensor-equipped version of the XIAO nRF52840, adding an onboard digital microphone and 6-axis IMU to the same Nordic nRF52840 chip and Bluetooth Low Energy capability. It's built for embedded machine learning and motion or audio-sensing projects in a board that's still just 21 x 17.8mm.\u003c\/p\u003e\n\n\u003ch2\u003eOnboard Sensors for Embedded ML\u003c\/h2\u003e\n\u003cp\u003eThe addition of a PDM digital microphone and a 6-axis IMU gives this board built-in audio and motion sensing without any extra wiring, making it well suited to TinyML applications like keyword spotting, gesture recognition, or wearable activity tracking.\u003c\/p\u003e\n\n\u003ch2\u003eWireless Connectivity and Low Power Design\u003c\/h2\u003e\n\u003cp\u003eBluetooth Low Energy 5.4 with an onboard antenna and NFC connectivity are built in, alongside efficient power management with deep sleep consumption as low as 5 μA and integrated lithium battery charge management.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProcessor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNordic nRF52840, ARM Cortex-M4 with FPU, up to 64 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWireless\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBluetooth Low Energy 5.4, Bluetooth Mesh, NFC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOn-chip Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1MB flash, 256KB RAM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOnboard Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2MB QSPI flash\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1x UART, 1x I2C, 1x SPI, 1x NFC, 1x SWD, 11x GPIO (PWM), 6x ADC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOnboard PDM digital microphone, onboard 6-axis IMU\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21 x 17.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.3V@200mA operating, 50mA (fast) \/ 100mA (trickle) charging, 5V via VIN, 3.7V via BAT, \u0026lt;5 μA standby\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePinout\u003c\/h2\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0870\/0021\/9940\/files\/52840_Pinout.webp?v=1786006624\" alt=\"Seeed Studio XIAO nRF52840 Sense Pinout\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/wiki.seeedstudio.com\/XIAO_BLE\/#resources\"\u003eSeeed Studio Wiki\u003c\/a\u003e, full setup guides, pinout diagrams, and project examples\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0870\/0021\/9940\/files\/bq25101.pdf\"\u003eBQ25101 Battery Charger Datasheet\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0870\/0021\/9940\/files\/ST_LSM6DS3TR_Datasheet.pdf\"\u003eLSM6DS3TR 6-Axis IMU Datasheet\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0870\/0021\/9940\/files\/MEMSensing-MSM261D3526H1CPM.pdf\"\u003eMSM261D3526H1CPM Microphone Datasheet\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0870\/0021\/9940\/files\/P25Q16SH_Datasheet_V1.8.pdf\"\u003eP25Q16H Flash Datasheet\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eBrowse our full range of \u003ca href=\"https:\/\/zaitronics.com.au\/collections\/seeed-studio-xiao-expansion-breakout-boards\"\u003eXIAO Expansion \u0026amp; Breakout Boards\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePrefer plug-and-play? Grab the \u003ca href=\"https:\/\/zaitronics.com.au\/products\/seeed-studio-xiao-nrf52840-sense-soldered\"\u003epre-soldered XIAO nRF52840 Sense\u003c\/a\u003e instead. Don't need onboard sensors? See the standard \u003ca href=\"https:\/\/zaitronics.com.au\/products\/seeed-studio-xiao-nrf52840-xiao-ble\"\u003eXIAO nRF52840\u003c\/a\u003e.\u003c\/p\u003e","brand":"Seeed Studio","offers":[{"title":"Default Title","offer_id":55989056373028,"sku":"SS102010469","price":99.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0870\/0021\/9940\/files\/1-102010469-seeed-studio-xiao-nrf52840-sense-45font-logo.jpg?v=1786003860","url":"https:\/\/zaitronics.com.au\/products\/seeed-studio-xiao-nrf52840-sense-xiao-ble-sense","provider":"Zaitronics","version":"1.0","type":"link"}