Mikroe Hexiwear Wearable Development Kit
Mikroe Hexiwear Wearable Development Kit can be used to create prototypes like a smartwatch, remote sensor tag, or smart-home controller. This Mikroe kit is compact with high-end style and usability.
Mikroe has teamed up with NXP to power the Hexiwear with the NXP Kinetis K64 32-bit Arm Cortex®-M4 MCU. The Kinetis KW4x Arm Cortex-MO+ BLE MCU provides connectivity and multiple on-board NXP sensors are included. This expandable board is packed with a 3D accelerometer and magnetometer, 3-axis digital gyroscope, pressure sensor, and 600mA battery charger. Functionality can be expanded with the docking station and the ever-growing line of click boards.
The Hexiwear has a capacitive touch interface 1.1" full-color OLED display. Applications for Android and iOS are available from the Google Play or App Store. The app connects the device to the cloud with no need for additional software development. Hexiwear uses FreeRTOS, the Kinetis software development kit (SDK) and the Kinetis Design Studio IDE.
Features
- Eye-catching smartwatch form factor with powerful, low power Kinetis K64 MCU and 6 on-board sensors
- Designed for wearable applications with the onboard rechargeable battery, OLED screen and onboard sensors like optical heart rate, accelerometer, magnetometer and gyroscope
- Designed for IoT end node applications with the onboard sensors like temperature, pressure, humidity and ambient light
- Complete software solution with open source embedded software, cell phone apps and cloud connectivity. Add nearly 200 additional sensors through click boards.
Specifications
- MCU: Kinetis K64 32-bit Arm Cortex-M4 MCU, 120 MHz, 1M Flash, 256K SRAM)
- BLE: Kinetis KW4x Arm Cortex-M0+ MCU, Bluetooth Low Energy & 802.15.4 Wireless
- 3D Accelerometer and 3D Magnetometer: NXP FXOS8700CQ
- 3-Axis Digital Gyroscope: NXP FXAS21002
- Absolute Digital Pressure sensor: NXP MPL3115A2R1
- 600 mA Single-cell Li-Ion/Li-Polymer Battery Charger: NXP MC34671
- Light-to-digital converter: ams TSL2561
- Digital humidity and temperature sensor: Measurement Specialties HTU21D
- Heart-rate sensor: Maxim MAX30101
- 1.1" full-color OLED display
- Haptic feedback engine
- 190mAh 2C Li-Po battery
- Capacitive touch interface
- RGB LED
- 8MB of additional Flash memory
Connect to Devices or the Cloud
WolkAbout partnered with Hexiwear to develop the smartphone app and to extend Hexiwear's offering with cloud connectivity, so end-users could receive a complete IoT toolkit. WolkAbout is focused on addressing the high-performance demands of innovation in the connected world with an application enablement platform built from the ground up for the Internet of Things. WolkSense Sensor Data Cloud is a smart telemetry platform that complements Hexiwear's wearable technology with ready-to-use features and functionalities.
Block Diagram
On-the-Board
• MCU: NXP Kinetis K64x MCU (Arm Cortex-M4, 120 MHz, 1M Flash, 256K SRAM)
• BLE: NXP Kinetis KW4x (Arm Cortex-M0+, Bluetooth 802.15.4 Wireless MCU)
• 3D Accelerometer and 3D Magnetometer: NXP FXOS8700CQ
• 3-Axis Digital Gyroscope: NXP FXAS21002
• Absolute Digital Pressure Sensor: NXP MPL3115A2R1
• 600mA Single-cell Li-Ion/Li-Polymer Battery Charger: NXP MC34671
• Measurement Specialties HTU21D Digital Relative Humidity Sensor
• ams TSL2561 Light-to-Digital Converter
Also on the board
• Heart-rate sensor
• 1.1" full color OLED display
• Haptic feedback engine
• 190mAh 2C Li-Po battery
• Capacitive touch interface
• RGB LED
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