smôl ARTIC R2 Hookup Guide

Contributors: PaulZC
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smôl Specifics


  • SPI and I2C
    • SPI Chip Select: CS0 (via waterfalling)
    • PCA9536 GPIO Expander I2C Address: 0x41


  • Uses GPIO0 for power control (via waterfalling)
  • Leave GPIO0 floating or pull low to disable power for the ARTIC R2
  • Pull GPIO0 high to enable power for the ARTIC R2
  • Power is controlled automatically via the SparkFun ARTIC R2 Arduino Library