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3D printer 4+2 axis motherboard

Overview

The 4+2 axis motherboard
features four 2226 pluggable adapters (2209)
paired with a 410 WiFi stick. It includes
a 6-24V to 5V and 5V to 3.3V
motherboard interface

,

two adjustable fans (one normally open, a total of five including series), three thermal position switches, five limit switches, and two 5V limit
switches. The heated bed heating rod interface is rated at 60W. The heated bed uses an external MOSFET.
USB expansion includes one USB port and two USB 4P/5P pins for connecting tool heads and additional devices.
RP2040 flashing

is possible via the WiFi stick and computer. Type-C can be used for flashing. For

power supply,
both Type-C and the connector can provide 5V for flashing and verification. The
6-24V connection automatically steps down to 5V and 3.3V
; voltage indicator lights up. Slight backflow at 5V causes 24V indicator lights to illuminate (this

is under review; the latest PCB uses 1-2).

Design Files

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Update:2026-03-23 14:21:16

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