Raspberry Pi Relays - connect to Octoprint and Octorelay for 3D Printers, installed in Prusabox

How to connect a relay to Raspberry Pi for use with Octoprint and Octorelay. Allow your 3D printer with Octoprint to control LED lighting, fans etc.
My example was housed in a Prusa Box enclosure for my Prusa MK3, and to follow will be a Tukkari enclosure based Pi controller.

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(connect at your own risk, using mains voltage is not recommended unless you know what you are doing)


Useful links:
Detailed tech description of the wiring - which is where i obtained most of the info:    • RASPBERRY PI – All  About controlling...   [credit to this author] This is worth viewing before starting any wiring.

The PrusaBox modified buck converter housing lid can be found at https://www.prusaprinters.org/prints/...

Enclosures:

PrusaBox - https://www.printer-box.com/?wpam_id=1

Tukkari enclosure for Ender3 / Prusa Mk3 / Prusa Mini: Europe - https://www.Tukkari.com, USA/Global - https://www.tukkari.store

#raspberrypi
#octoprint
#octorelay
#relay
#prusabox
#prusa
#tukkari



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