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Hexiwear
From MikroElektonika Documentation
Hexiwear is a wearable development kit for the Internet of Things era. A small and sleek, low-
power device packed with sensors to quantify yourself and the world around you. Wirelessly
enabled, it can connect both to devices nearby - or to cloud servers far away.
Developed in collaboration with NXP Semiconductors and funded through Kickstarter, Hexiwear
is chiefly aimed at developers who need a complete IoT toolkit - low power yet versatile
hardware, compatible smartphone and iOS apps, and cloud connectivity.
Unlike most MikroElektronika products, Hexiwear is completely open source.
This guide is an introductory overview of Hexiwear features. For a guide on setting up your
development environment, read the guide to writing your first program. A separate guide for the
Hexiwear Docking Station is also available..
Contents
◾ 1 Getting started
◾ 1.1 Wake up
◾ 3.2.6 Notifications
◾ 3.3.4 Haptic
◾ 6 Hexiwear Docking Station
Getting started
Wake up
Six capacitive buttons surrounding an OLED display make up Hexiwear's user interface.
A double tap on any of the buttons will wake up the device and light up the OLED display to show the home screen.
Hexiwear
Hexiwear - wearable dev kit for IoT
Microcontroller NXP Kinetis K64
(http://www.nxp.com/products/microcontrollers-
and-processors/arm-processors/kinetis-cortex-
m-mcus/k-series/k6x-ethernet-mcus/kinetis-k64-
120-mhz-ethernet-usb-256kb-sram-
mcus:K64_120?fsrch=1&sr=2&pageNum=1)
NXP Kinetis KW4x
(http://www.nxp.com/products/microcontrollers-
and-processors/arm-processors/kinetis-cortex-
m-mcus/w-series/kinetis-bluetooth-low-energy-
802.15.4-wireless-mcu:KW40Z)
Sensors
Temperature, humidity, accelerometer,
gyroscope, magnetometer, pressure, heart-rate,
ambient light
Full color OLED 96px x 96px
Interface
Hexiwear Docking station connector, Micro
USB port
Power supply
600 mA Single-cell Li-Ion/Li-Polymer Battery
Color options: Blue, Yellow, Green
www.hexiwear.com (http://www.hexiwear.com)
Page 1 of 8
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Summary of Contents for mikroElektronika MIKROE 2026 Hexiwear
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Page 1: Table Of Contents
IoT toolkit – low power yet versatile hardware, compatible smartphone and iOS apps, and cloud connectivity. Unlike most MikroElektronika products, Hexiwear is completely open source. This guide is an introductory overview of Hexiwear features. For a guide on setting up your development environment, read the guide to writing your first program. -
Page 2: Navigation
Page 2 of 8 If double taps don't wake up the device, the battery is probably empty. Connect Hexiwear to a power supply through the Micro USB port on the side. Charge for a while then try again. Navigation From the home screen, a single tap on the lower right button will bring you into the menu. Use the pair of buttons to the right side of the screen to browse through the list of available items. -
Page 3: Schematic
Page 3 of 8 ◾ BLE: NXP Kinetis KW4x (http://www.nxp.com/products/microcontrollers-and-processors/arm-processors/kinetis-cortex-m-mcus/w-series/kinetis- bluetooth-low-energy-802.15.4-wireless-mcu:KW40Z) (ARM® Cortex®-M0+, Bluetooth Low Energy & 802.15.4 Wireless MCU) ◾ 3D Accelerometer and 3D Magnetometer: NXP FXOS8700CQ (http://www.nxp.com/products/sensors/6-axis-sensors/digital-sensor-3d-accelerometer- 2g-4g-8g-plus-3d-magnetometer:FXOS8700CQ?fsrch=1&sr=1&pageNum=1) ◾ 3-Axis Digital Gyroscope: NXP FXAS21002 (http://www.nxp.com/products/sensors/gyroscopes/3-axis-digital-gyroscope:FXAS21002C?lang_cd=en) ◾ Absolute Digital Pressure sensor: NXP MPL3115A2R1 (http://www.nxp.com/products/sensors/pressure-sensors/barometric-pressure-15-to-115-kpa/20- to-110kpa-absolute-digital-pressure-sensor:MPL3115A2?lang_cd=en) ◾... -
Page 4: Motion
Page 4 of 8 Shows ambient temperature, humidity and pressure data in real time. Motion Displays readings from accelerometer and gyroscope in real time (single data point for each axis) Flashlight Toggles front-facing RGB LED. Fitness – Pedometer Step and calorie counter next to each other. Walking steps are inferred from accelerometer readings. Calories are calculated using a formula. "Stop" button resets count. -
Page 5: Settings
Page 5 of 8 Settings Bluetooth Toggles bluetooth on and off. White when turned OFF, Blue when turned ON. OTAP OTAP stands for "Over the Air Programming e.g. wireless firmware updating. You can choose to update either the KW64 (main MCU) or the KW40 (BLE chip). -
Page 6: Sensor Tag Mode
Page 6 of 8 Software reset button. Sensor tag mode Toggles Sensor tag mode. When active, Hexiwear will continually broadcast readings from all its internal sensors over BLE. The readings can be accessed from the Hexiwear smartphone app, or directly from the WolkSense cloud. White when turned OFF, Blue when turned ON. Hexiwear smartphone apps The Hexiwear smartphone app will significantly expand the functionality of your Hexiwear. -
Page 7: Troubleshooting
Page 7 of 8 Troubleshooting If errors occur, to restart the pairing process, go to the Bluetooth settings on your smartphone and "forget" the Hexiwear device. This removes all the initialization data and enables you to start over. Wolksense cloud platform By registering an account in Hexiwear's smartphone app, you automatically gain access to the WolkSense cloud. - Page 8 Page 8 of 8 - Hexiwear on Kickstarter (https://www.kickstarter.com/projects/1351029401/hexiwear-a-wearable-development-kit-for-the-iot-er/description) - Dedicated repository on MikroElektronika's GitHub channel (https://github.com/MikroElektronika/HEXIWEAR) - Hexiwear Docking Station user guide (http://docs.mikroe.com/Hexiwear_Docking_Station) - Hexiwear Creating Your First project guide - NXP Semiconductors Hexiwear page (http://www.nxp.com/products/software-and-tools/reference-designs-and-development-kits/kinetis-designs/hexiwear- complete-wearable-and-iot-solution:HEXIWEAR) - Homepage of WolkSense, cloud solution provider for Hexiwear (https://wolksense.com/) - MikroElektronika's Technical Support hub (http://helpdesk.mikroe.com)
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