2 layers84.3 × 39.4 mm

Shutdown manager mainboard
testudor/shutdown-manager-mainboard
Power input module for 3D printers capable of performing safe shutdown procedures for SBCs like Raspberry PIs
28 parts1CC-BY-SA-4.0
Boards in 1 GitHub repository, designed in KiCad, that use the 282844-3 by TE Connectivity (1 12~30 17.5A 3 300V 3P 7.5mm Green Through Hole 插件,P=7.5mm Screw Terminal Blocks ROHS). See how each wires it, with its parts, size, README and files; the 282844-3’s symbol, footprint and pinout are on its own page.

testudor/shutdown-manager-mainboard
Power input module for 3D printers capable of performing safe shutdown procedures for SBCs like Raspberry PIs