Room_Monitor, Particle Photon
thingiverse
A sensor was required to detect when lights were on and the door was open for the garage. A custom-made plate featured a hole for a 3.5mm jack, which I sourced from Digi-key using part number CP-SJ1-43502PM-ND, as well as a photo sensor and mini USB jack. The photo cell is glued into place. A Particle Photon slides into the plate, exposing the USB port for power, and is held in place with the Bracket.stl. The complete unit mounts neatly within a standard 2X4 electrical box used in the USA. I printed it in White PLA to match the cover plate at a height of .2mm and 10% fill rate.
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