Pulsing Triforce LED Noodle Light (Remix)
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USB-C-powered pulsing LED Noodle Triforce
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- Printables
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- Other Gadgets
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- Creative Commons — Attribution — Share Alike
Printed with support enforcers on the underside of the “cave” using organic/tree supports.
In order to fit the LED noodle in, I had to solder wires onto the leads, and then feed the noodle through the holes and press into place. After the LED noodle was installed, I used some heat shrink tubing to secure and strengthen the solder joints (carefully, as I didn't want to melt the PLA with my heat gun). Finally, I soldered the wires to the QT Py microcontroller; cathode connected to GND, anode connected to any PWM-capable GPIO (I used A3). Then, using some long-nosed pliers, I was able to gently coerce the QT Py into the snap-fit geometry.
I used a QT Py SAMD21, which was probably overkill. If you're feeling adventurous you could use the less expensive QT Py CH32V203, but it's harder to program/flash than the SAMD21.