Recalibrating Z-axis Zero On Tool Change

[Dag83]

Automating z-axis zeroing

You can automate the zeroing of the z-axis if you want to. It makes it a lot more precise and convenient. Solder pins on AUX4 on the motor shield. While you’ve got your soldering gear out, attach pins to aux1 as well, it can automatically start and stop the router. Never mind about the others, they aren’t used yet. Attach a wire (2m should be fine) to the AUX4 and one to the GND output Attach a piece of sheet metal, I like to use a ruler, to the AUX4 wire Attach a small metal clamp…