{"product_id":"seeed-studio-xiao-nrf52840-sense-plus","title":"Seeed Studio XIAO nRF52840 Sense Plus","description":"\u003cp\u003eSeeed Studio XIAO nRF52840 Sense Plus combines the onboard IMU and microphone of the XIAO nRF52840 Sense with the expanded I\/O of the Plus design, adding 9 extra SMD castellation pins on an updated backside layout. It's built for advanced embedded machine learning and AIoT projects that need both onboard sensing and more available GPIO.\u003c\/p\u003e\n\n\u003ch2\u003eOnboard Sensors for Embedded ML\u003c\/h2\u003e\n\u003cp\u003eAn integrated 6-axis IMU and PDM microphone provide motion sensing and audio input straight out of the box, well suited to wearable devices and compact ML applications without extra wiring.\u003c\/p\u003e\n\n\u003ch2\u003eExpanded I\/O for Advanced Builds\u003c\/h2\u003e\n\u003cp\u003eThe Plus variant offers 20 GPIOs in total, up from 11 on the standard Sense board, via 9 additional 1.27mm pitch SMD castellation pins. This makes it a better fit for advanced Bluetooth and sensing projects that need more digital I\/O through board-to-board soldering, while the backside layout, including aligned battery and debugger pads, stays consistent with future XIAO expansion boards.\u003c\/p\u003e\n\n\u003ch2\u003eWireless Connectivity and Low Power Design\u003c\/h2\u003e\n\u003cp\u003eBluetooth Low Energy 5.4 with a built-in antenna and NFC support carry over from the standard Sense board, along with the same efficient power management, including 5 μA deep sleep consumption and integrated Li-ion battery charging.\u003c\/p\u003e\n\n\u003ch2\u003eClassic XIAO Form Factor\u003c\/h2\u003e\n\u003cp\u003eDespite the extra I\/O and onboard sensors, the board keeps the familiar 21 x 17.8mm XIAO footprint with 2.54mm pin headers and single-sided mounting, and remains natively compatible with the full range of XIAO accessory add-ons.\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 Connectivity\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\u003eMemory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e256KB RAM, 1MB flash, plus 2MB onboard QSPI flash\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuilt-in Sensors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1x 6-axis IMU (LSM6DS3TR-C), 1x PDM digital microphone\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1x I2C, 2x UART, 2x SPI, 1x I2S\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePWM \/ Analog Pins\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 \/ 6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOnboard Buttons\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReset Button, User Button\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOnboard LEDs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3-in-one LED, Charge LED\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Charge Chip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBQ25101\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProgramming Languages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArduino, MicroPython, CircuitPython\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  \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\/plus_pinout.webp?v=1786006490\" alt=\"Seeed Studio XIAO nRF52840 Sense Plus 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\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\u003eDon't need onboard sensors? See the \u003ca href=\"https:\/\/zaitronics.com.au\/products\/seeed-studio-xiao-nrf52840-plus\"\u003eXIAO nRF52840 Plus\u003c\/a\u003e. Don't need the extra I\/O? The \u003ca href=\"https:\/\/zaitronics.com.au\/products\/seeed-studio-xiao-nrf52840-sense-soldered\"\u003eXIAO nRF52840 Sense (Soldered)\u003c\/a\u003e covers most sensing projects.\u003c\/p\u003e","brand":"Seeed Studio","offers":[{"title":"Default Title","offer_id":55989070266660,"sku":"SS102010694","price":99.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0870\/0021\/9940\/files\/2-102010694-seeedstudio-xiao-nrf52840-sense-plus-45font_1.jpg?v=1786004519","url":"https:\/\/zaitronics.com.au\/products\/seeed-studio-xiao-nrf52840-sense-plus","provider":"Zaitronics","version":"1.0","type":"link"}