Snap Fit Case for 8-Relay Board
thingiverse
I purchased a two-piece case specifically designed for the HiLetgo 8-channel relay module. The case is compatible with both the 5V and 12V versions of this popular module. To assemble the case, simply slide the board onto the four pins on the base, and then snap the base into place atop it - no screws or other fasteners are required.
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