Embedded Computing
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  • Software
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  • Tools
    • How to Start?
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      • Embedded Systems: Shape The World —MOOC edX UTAustinX UT.6.02x
      • Real-Time Bluetooth Networks: Shape the World — MOOC edX UTAustinX UT.RTBN.12.01x
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    • Libraries >
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        • Examples >
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    • smartDevices >
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    • IoT Projects >
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      • Pervasive Reporting
    • Other Projects >
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      • Multi-Touch Project with CapTIvate

Grove BoosterPack

The Grove system by Seeed Studio features a normalised 4-pin connector for a wide range of sensors and actuators, whatever the connection or bus used, analog, digital, I²C or SPI. 

The main benefit is building prototypes in a fast and clean way. Just take the module you want to play with, connect the cables, upload the sketch and voilà, you're ready!

Seeed Studio has a long list of sensors. Just check they operate at 3,3V as the Launchpads.  

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Hardware

The package includes the BoosterPack, the modules, 10 cables and a nicely printed manual. 
 
The booklet mentions different LaunchPads the Grove BoosterPack can work with. The recommended LaunchPad is the MSP430F5529, with a 40-pin connector.

The MSP430G2553 is listed, but the 20-pin connector is limited. Some connections are still possible, but require shunts —e.g. between pin 6 and 26. Unfortunately, the shunts aren't provided.

The booklet also mentions the CC3200, erroneously. The CC3200 LaunchPad has analog inputs limited to 1,47 V, so using it with the Grove BoosterPack with standard 3,3V analog may damage the CC3200.

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Software

There's a library for Energia with examples for most of the modules. Once you've understood the basic operation of the modules, feel free to combine them for more sophisticated models!
  
The examples provided need to be checked, as the ports used may differ from one MCU to another. It is a good idea to use the pins numbers instead of the pins names —e.g. 15 instead of P3_0 on the F5529— in order to ensure portability across different LaunchPads.

The booklet provides step-by-step explanations, from basic to elaborate examples.

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Pins Map

Contrary to other BoosterPacks, the pins aren't defined by the BoosterPack but by the LaunchPad. For example, the same pin 15 on connector J12 can be analog output P3_0 or I²C data or SPI MOSI, Depending on the configuration of the MSP430F4429.
 
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Conclusion

The MSP430F5529 is the recommended LaunchPad for the Grove BoosterPack.  

Grove maintains a list of the sensors compatible with the LaunchPad:
  • Buzzer
  • 4-Digital Display 
  • Rotary Angle Sensor 
  • PIR Motion Sensor 
  • Relay
  • Light Sensor
  • Sound Sensor 
  • Moisture Sensor
  • Ultrasonic Ranger Sensor
  • Temperature Humidity Sensor

Pros

  • Fast an easy to use
  • Wide and diverse assortment of modules in the kit

Cons

  • Some details in the booklet are erroneous and potentially hazardous, especially for the CC3200 LaunchPad 

Wrap-Up

  • Very clever system
  • Recommended LaunchPad MSP430F5529
  • Operates at 3,3V
  • Nice printed booklet

Links

  • Seed Studio
  • Product Page
  • Energia

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