Here's the final box, if someone wants to build one: https://www.thingiverse.com/thing:3382291
Useful for power-cycling devices-under-test remotely.
Note, the relays are rated for mains 240V, however this case offers no safety features for high voltage use.
@biotIt's an ATTiny and it implements an HID interface. Someone's already written a python interface to it: https://github.com/jaketeater/Very-Simple-USB-Relay ...and there may be others.
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