Ender 3 Rail Mount led
thingiverse
This design accommodates seven LEDs connected in series. With a single 100-ohm resistor, it can operate from a 24-volt power supply without needing voltage reduction. I crafted this circuit to utilize LED holders similar to those found at [https://www.amazon.com/Aoyoho-Plastic-Holder-Mounting-Holders/dp/B01GMZTL1K/ref=sr_1_6?ie=UTF8&qid=1549509295&sr=8-6&keywords=led+holder+5mm](https://www.amazon.com/Aoyoho-Plastic-Holder-Mounting-Holders/dp/B01GMZTL1K/ref=sr_1_6?ie=UTF8&qid=1549509295&sr=8-6&keywords=led+holder+5mm) and 5mm LEDs of your choice. The wire I employed was 22 AWG. A single LED will draw approximately 20mA, making it feasible to power several in parallel without overtaxing the power supply. I am not an electrical engineer and cannot guarantee that this design won't damage your printer. Please conduct thorough research before implementing any modifications.
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