3D Brookesia: This is a derivative variant of the 3D Chameleon Mk4 electronics, made for hand assembly (some smd soldering required). changes:

MCU changed from ATmega328 to ATtiny3226,

4 Leds added to show selected tool.

Pluggable Screw terminal connectors

fits Hammond 1455 Series Case

TMC2209 Stepper drivers

Diode based bootup protection for Stepper drivers

Thermistor controlled Fan to keep electronics cool when used in 3D printer enclosure.

Reverse Voltage Protection on Inputs

The mechanical parts are unchanged.

3D Brookesia Variant by Clem "mayermakes" Mayer published under the same License as the original. The name refers to a number of tiny chameleon species (Brookesia sp.) because it runs on ATtiny Link to video regarding this variant: publishing Date TBD Link to additional ressources: TBD -> will ive on Community.element14.com