LDO Picobilical kit for V0

The Picobilical by LDO is a mod designed specifically for the Voron 0 printers. The Picobilical is based on V0-Umbilical by timmit99 and retains its original advantages while introducing new features:

• Rear mounted toolhead PCB simplifies toolhead wiring.
• The umbilical cable can be easily detatched from the toolhead - allowing the toolhead to be completely decoupled during maintenance.
• On-board RP2040 microcontroller frees up ports in the main controller while greatly simplifying wiring.
• Integrated 24V to 5V buck converter with max 5A output eliminates the need for an external 5V buck converter for the Raspberry Pi.
• Two independent neopixel ports.
• Selectable supply voltage (24V or 5V) for part fan and hotend fan.
• On-board thermistor for chamber temperature monitoring.
• Optional filament sensor input.