Arduino nano + 2 channel arduino relay + voltage stepdown box

Arduino nano + 2 channel arduino relay + voltage stepdown box

thingiverse

Box with mounting points for arduino nano on small epansion board, 2 channel relay, step-down. Two 14x8,5mm holes for switches and one 5mm hole for led. 25mm opening for fitting a rubber seal around the wires. Arduino usb port is accessible through a hole covered with a small lid for easy access.

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