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I2C fix for MCP23017 / Adafruit RGBLCDShield #626
contribution from @pra in the community. Thanks! https://community.particle.io/t/i2c-lcd-freezes-photon/15666
If you have a MCP23017 or Adafruit RGBLCDShield please test and report if this improves I2C connectivity!
Not trying to nitpick this change which is obviously working for users, just trying to make sure this fairly complicated peripheral gets documented adequately as we make improvements ;-) Thus ensuring the changes are widely understood and stay fixed as the code evolves.