Single Channel Relay Box
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A more robust single channel relay box designed for 3d printing that is able to securely clamp the cables down.
- Rating
- 5 / 5
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- 34
- Downloads
- 349
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- Reviews
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Updated at source:
Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Here is a more robust single channel relay box. I wanted to have Octoprint control the psu of my 3d printer through a relay and found existing single channel relay boxes to be severely lacking. This one has been designed for 3d printing, is heavier duty/thicker, is able to securely clamp the cables down and has a lid that snaps down with clips that don't instantly break off.
Supplies Needed:
- 4 x m3 x 10mm thread inserts
- 4 x m3 short bolts for screwing the relay board down
- 4 x m3 bolts for clamping the cables down
- 1 x 5v relay module here: https://www.amazon.com/dp/B00LW15A4W?psc=1&ref=ppx_yo2ov_dt_b_product_details
My printing settings:
- .6mm nozzle
- .36mm layer height
- 3 perimeters
- 20% infill
The initial tutorial I followed for this was from here: https://www.instructables.com/PSU-Control-With-Octoprint/
- The box provided in the tutorial is unusable. It's not designed for 3d printing at all and is not able to safely hold the cables or board in the box.