Laptop/CAN Interface

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The Laptop/CAN Interface sits at the head of the CAN bus and has a CAN address of 1, giving it highest device priority next to the E-Stop.

Parts

Part numbers listed are those of the Digi Key Corporation parts database.

Processor

CAN Specific

  • [MCP2515] - U2 - Microchip CAN Controller with SPI Interface
  • [MCP2551] - U1 - Microchip CAN TransponderP966-ND
  • 770-61-R10K-ND - RN1 - 10k ohm Resistor Network, 5 of 6 pins are used

Onboard Power Control

  • 296-12290-1-ND - U4 - 5V Linear Regulator
  • [1N4004GICT-ND] - D1 - Diode
  • P966-ND - C1,C2 - 10 microfarad Capacitor
  • 399-2127-ND - C3,C4 - 0.1 microfarad Capacitor

Oscillator

  • 300-7022-1-ND - U3 - 11.0592 MHZ Clock Siqnal Oscillator

Receptacles

  • A19490-ND - J1 - Power 2-pin receptacle
  • A19491-ND - J2 - CAN 3-pin receptacle
  • A19495-ND - J3 - Connect laptop to interface 7-pin receptacle

Misc.

  • 377-1090-ND - Box to contain the module
  • 1892K-ND - Standoffs

Electrical

LaptopCAN Schematic.png LaptopCAN Board.png

Code