Description Grove Mesh Kit for nRF52840-MDK is a very versatile mesh networking development kit. It integrates nRF52840-MDK development board, Base Dock and SeeedStudio's most popular and easy-to-use Grove Modules. Grove Mesh Kit takes full advantage of the multiprotocol capabilities of the nRF52840 SoC by supporting Bluetooth Mesh and OpenThread Mesh networking. It allows developers to create IoT applications with Mesh Network Connectivity in a very short time. Features nRF52840 Micro Development Kit (nRF52840-MDK) nRF52840 Advanced Bluetooth 5, Thread and Zigbee multiprotocol SoC Program/Debug options with DAPLink Microchip 2-Port USB 2.0 Hi-Speed Hub Controller External ultra-low power 64-Mb QSPI FLASH memory On-board 2.4G chip antenna U.FL connector selectable for external antenna Reversible USB 3.1 Type-C Connector Buttons and LEDs for user interaction Up to 24 GPIOs available via headers Base Dock (Grove Compatible) Dual 2x18 Socket Headers 4 Grove connectors with UART/I2C/I2S/PDM/QDEC/SPI/ADC selectable Supporting NFC-A Listen Mode with PCB NFC Antenna AA Battery power supply Power Button with Latching Circuit Battery level sensing 6 easy-to-use Grove modules: Grove - Button Grove - Light Sensor Grove - Rotary Angle Sensor Grove - Sound Sensor Grove - Temperature Sensor Grove - Touch Sensor