Difference between revisions of "SPI-POTX2"

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** Zero Scale to Full Scale Wiper operation
 
** Zero Scale to Full Scale Wiper operation
 
** 10K
 
** 10K
 +
*** Other resistances optional: 5K, 50K, 100K
 
** Power on reset to half wiper value
 
** Power on reset to half wiper value
 
** SPI Interface
 
** SPI Interface

Revision as of 11:30, 5 April 2022

Tindie-mediums.png

SPI-POTX2-720px.jpg

Features

  • Dual Digital potentiometer
    • MCP4231 Digital Pot
    • 7-bit: 128 Resistors (129 Steps)
    • Zero Scale to Full Scale Wiper operation
    • 10K
      • Other resistances optional: 5K, 50K, 100K
    • Power on reset to half wiper value
    • SPI Interface
      • SPI Serial Interface (10 MHz, modes 0,0 & 1,1)
      • High-Speed Read/Writes to wiper register
      • 10 MHz (max SPI speed)
  • 2.7V to 5.5V
  • Daisy-chain SPI connector
  • 49x49mm form factor
  • (4) #4-40 mounting holes
  • Daisy-chain connectors

Connectors

J1, J3 - SPI connector

  1. MISO
  2. +V
  3. SCK
  4. MOSI
  5. SS
  6. GND

J2 - SPI Connector

  • Matches Arduino SPI connector pinout
  1. MISO
  2. +V
  3. SCK
  4. MOSI
  5. SS
  6. GND

POT0, POT1

  1. GND
  2. B SIDE
  3. WIPER
  4. A SIDE
  5. +V

Test Software

Assembly Sheet

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