What's in Your


TAOS TCS3771 (RGB color sensing and proximity detection in a single device, up to 16 bit resolution)



IR transmitter to control audio/visual equipment, an LED strip light, air conditioner, garage... whatever you fancy


HTU21D (0.01ºC temp. resolution, ±0.3ºC accuracy, 0.04%RH resolution, ±2%RH accuracy, -40 to +125 ºC range)



Knowles SPU0410HR5H MEMS microphone for noise level measurements. 10 bit resolution


MPU-6500 (6 axis motion tracking device, ±2g to ±16g full scale range for accelerometer and ±250º/s to ±2000º/s for gyro)



4 pin connector compatible with Grove modules from Seeedstudio, 2 GPIOs / I2C or UART (3.3V to 5V compatible)

Watch the WunderBar Video

Master Module

  • Freescale ARM Cortex-M4 MK24
  • 1MB Flash, 256KB SRAM
  • 12 GPIOs (analog, SPI, I2C, UART)
  • Gainspan GS1500 WiFi with TLS encryption
  • Nordic nRF51822 with Bluetooth LE stack
  • Li-ion Battery charger
  • USB-OTG
  • Device firmware upgrade over USB (for BLE, Kinetis & WiFi module)
  • Backup Li-ion battery included

Mini Modules

  • Dimensions: 18.6 x 29 x 6.8 mm
  • Nordic ARM Cortex M0 nRF51822
  • Bluetooth LE stack, ceramic antenna
  • 256KB flash, 16KB SRAM
  • 8 GPIOs (analog, SPI, I2C, UART)
  • 1 x WiFi
  • 1 x BLE bridge to Grove/Arduino/Raspberry Pi
  • 1 x IR transmitter
  • 6 x BLE (Beacons)
  • 8 x Sensing variables
  • 3V CR2032 Lithium batteries included
  • Over the air firmware upgrade (from onboarding app)
  • All modules have 8 exposed pins (can be used as GPIOs, I2C, UART, PWM or analog inputs)

Start Using Your

Now you have unwrapped your WunderBar, it's time to get it working.

1 bar of chocolate casing + 1 circuit board + 5 cell batteries + 1 lithium battery + 1 USB cable + tacky tape

The next few steps will teach you how to configure and test your WunderBar for the first time

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Now you're all ready to start coding!

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