Changed 0402 to sod-523 for Zener

Added Gerber files for rev 1

Removed reset pull-up (should not be needed as internally pulled up) to make room for the heat detect logic and layed out the remaining components for the heat detect.

Removed reset pull-up (should not be needed as internally pulled up) to make room for the heat detect logic and layed out the remaining components for the heat detect.

Removed the capacitor from the Temp sensor to allow it to be centred and initial modifications to allow monitoring of when the tip is being heated.

Final (hopefully) tweaks to the silk screens

Some more tidy ups

Added back silk screen info

Tidy up of the silk screen

Yet more tweaks to tip power