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  • Author Author: rsc
  • Date Created: 1 Aug 2016 5:10 PM Date Created
  • Views 1004 views
  • Likes 4 likes
  • Comments 6 comments
  • hexiwear
  • nxp
Related
Recommended

HexiWear

rsc
rsc
1 Aug 2016

There's a new gadget in the world of user-programmable IoT devices called HexiWear.

image

Hexiwear - MikroElektonika Documentation

  • MCU: NXP K64 MCU (ARMRegistered CortexRegistered-M4, 120 MHz, 1M Flash, 256K SRAM)
  • BLE: NXP KW4x (ARMRegistered CortexRegistered-M0+, BLE & 802.15.4 Wireless MCU)
  • 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  MC34671MC34671
  • Light-to-digital converter: TAOS TSL2561
  • Digital humidity and temperature sensor MEAS  HTU21DHTU21D
  • Heart-rate sensor: Maxim’s MAX3010x
  • 1.1” full color OLED display
  • Haptic feedback engine
  • 190 mAh 2C Li-Po battery
  • Capacitive touch interface
  • RGB LED
  • 8 MB of additional Flash memory

Hackster is having a design contest for the device.

https://www.hackster.io/challenges/Hexiwear

 

I picked up a few to play with, and a docking station for easy programming and external control.

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Top Comments

  • rsc
    rsc over 8 years ago in reply to clem57 +4
    Best features: Small and light Many sensors nice readable display Bluetooth Easy to program if you buy the docking station mbed enabled Needs improvement: Battery life gpio connector 50pin 0.5mm pitch…
  • rsc
    rsc over 8 years ago +2
    Here's a video of a HexiWear bubble level program I wrote. www.youtube.com/watch
  • rsc
    rsc over 8 years ago in reply to clem57

    Best features:

    Small and light

    Many sensors

    nice readable display

    Bluetooth

    Easy to program if you buy the docking station

    mbed enabled

     

    Needs improvement:

    Battery life

    gpio connector 50pin 0.5mm pitch

    case is fragile

    oled can "burn"

    no on/off switch

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  • clem57
    clem57 over 8 years ago in reply to rsc

    So what is the best and worst things about Hexiwear? I am considering if I should get...

    Clem

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  • rsc
    rsc over 8 years ago

    Here's a video of a HexiWear bubble level program I wrote.

    You don't have permission to edit metadata of this video.
    Edit media
    x
    image
    Upload Preview
    image

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  • clem57
    clem57 over 8 years ago in reply to rsc

    I wonder if you can use low power programming like devices from TI and Cypress. I am looking at TI's and am impress how they have built the hardware.

    Clem

    PS. I am curious what you think of the use cases directions you may or others have taken.

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  • rsc
    rsc over 8 years ago in reply to spannerspencer

    So far I've been able to make my own bitmaps and display them, I'm still figuring out how to interface with the onboard sensors and switches.

    The battery only lasts a couple of days, and less if you use the bluetooth frequently, so I'm working on an external battery pack.

    Scott

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