Mindstorm PiStorms User Manual

Lego interface robot with raspberry pi brains

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What is PiStorms

Connections and Placement

Copyright © 2016 mindsensors.com
PiStorms is a shield (or a HAT)
designed for the Raspberry Pi to
control NXT and EV3 Motors and
operate NXT and EV3 Sensors.
PiStorms works with Raspberry Pi
model A+, model B+, and 2 model B.
PiStorms is designed to connect
directly with Raspberry Pi board by
connecting over it's GPIO header pins. You can use it jointly with
other hardware that uses GPIO pins, provided there is no conflict
between Raspbery Pi pins used by PiStorms. (Refer to 'Raspberry Pi
Pins Used by PiStorms' section for details).

Supplying power to your PiStorms

Do NOT supply power to the PiStorms unless you are completely
sure the Raspberry Pi GPIO pins are correctly inserted into the
PiStorms. Doing so may result in permanent damage to the Raspberry
Pi.
The PiStorms has green terminals to connect an external battery;
this battery will also supply power to attached Raspberry Pi.
You do not need to power the Raspberry Pi with a different power
source; however supplying external power to Raspberry Pi (such as
through USB) is also ok.
NOTE
Nominal PiStorms Power requirement: 8 Volts, 1.5 Amps
While using motors, at least 6.8 volts, 1.5 Amps power is
needed.
While connecting external battery, ensure correct polarity.
PiStorms is rated for external power supply of 10.5 volts DC max for
sensors and motors (never exceed this voltage limit). Above 9V the
touch screen may flicker. Ensure to not exceed this value.

Recommended Battery Options

6AA batteries (rechargeable or non-
rechargeable).
PiStorms
User Guide
1/6

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Summary of Contents for Mindstorm PiStorms

  • Page 1 While connecting external battery, ensure correct polarity. PiStorms is rated for external power supply of 10.5 volts DC max for sensors and motors (never exceed this voltage limit). Above 9V the touch screen may flicker. Ensure to not exceed this value.
  • Page 2 10 seconds. PiStorms is equipped with a 2.4 inch LCD touchscreen.  PiStorms has 1 LED (located in the corner of bank A for newer  models and bank B for older models) that when programming, can be accessed from either bank.
  • Page 3 Feature Highlights The table below lists important features provided by the PiStorms. To use these features in your specific programming environment, please refer to API help file or program header file. Feature Description Timed Control of each Each motor can be run for a specified motor duration of time.
  • Page 4 Current Characteristics Average current consumption of this device is about 5.0 mA. PiStorms can deliver up to 1 Amp current per NXT Motor attached. Drawing of excessively large current (such as incorrect motors or stalled motors) will result in internal shutdown until the situation is corrected.
  • Page 5 It will take a few minutes to install the software. PiStorms Developer Software is available on GitHub. Follow the instructions at the url below to install the developer software. https://github.com/mindsensors/PiStorms PiStorms Python API Reference The PiStorms Python API library reference is at following url: http://www.mindsensors.com/reference/PiStorms/html Copyright © 2016 mindsensors.com...
  • Page 6 PiStorms Scratch Reference The PiStorms Scratch Interface Reference Guide can be found at the following address: http://www.mindsensors.com/pdfs/PiStorms%20- %20ScratchProgrammingGuide.pdf Copyright © 2016 mindsensors.com...

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