Thingiverse

PCB Box with Snap Fit Hinge Lid

by SanguineDrone

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box clasp hinge hinged optocoupler Orbit OSHW pcb pcb-mount pcb holder pcb mount snap snap-fit snap-on snap-together snapfit Snap Fit snap on snap together box clasp hinge hinged optocoupler Orbit OSHW pcb pcb-mount pcb holder pcb mount snap snap-fit snap-on snap-together snapfit Snap Fit snap on snap together box clasp hinge hinged optocoupler Orbit OSHW pcb pcb-mount pcb holder pcb mount snap snap-fit snap-on snap-together snapfit Snap Fit snap on snap together box clasp hinge hinged optocoupler Orbit OSHW pcb pcb-mount pcb holder pcb mount snap snap-fit snap-on snap-together snapfit Snap Fit snap on snap together box clasp hinge hinged optocoupler Orbit OSHW pcb pcb-mount pcb holder pcb mount snap snap-fit snap-on snap-together snapfit Snap Fit snap on snap together

This is a simple box to hold a custom PCB. This PCB uses optocouplers and an MCP23017 port-expander to monitor 24VAC output on 16 channels over i2c. The address is selectable and the board is designed to be daisy-chained with up to 7 other boards for up to 128 sensing channels.
Each board also has 4 individual channels that do not pass through the port expander but can be polled using any digital pin.

Check my hackaday page for more info.
https://hackaday.io/project/26202-16-channel-24vac-d

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Thingiverse

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