Added a page for the i2c panel I made for the CNC Conversion.  This setup uses stock parts from Adafruit to get the i2c capability and the firmware from the Think3dPrint3d Panelolu 2.  I needed a second panel to run the CNC 3d Printer so I can leave the laptop available for the Laser!  Now to make an i2c breakout board for the Panelolu…