ME 218B: Smart Product Design                                                                                                                                                                                 Winter 2014 Final Project
Joustball -
  • Home
    • The Game
    • Little Zorro
    • About Us
  • Circuits
    • Power & E128
    • Motors
    • Sensors
    • LEDs / Switches/ Emitter
  • Code
    • State-Chart Descriptions
    • Service Descriptions
    • Header / Code Listings
  • Mechanical Design
  • Bill of Materials
  • Gems of Wisdom

Power Board

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This is a power board that uses 3 Ni-Cad batteries.

A first battery is used separately to control the boards consuming low(er) power, such as the E128 and the sensors boards.
A voltage regulator with 1A sourcing capability is used to convert the 7+V of the battery into a steady 5V supply to the sensors board.

A second battery supplies power to the servos and DC shooting motor board.
A third batteries in series raises the voltage to 14.4V, where the two h-bridges controlling the DC drive motors will be powered.

NOTE: battery grounds were connected together. All other board grounds were connected together. The kill switch simply serves to connect both ground rails.

LM2940 Datasheet

E128 Connectors

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