Velleman K8200 3D printer - LED ring light
thingiverse
In this project, I added a light around the extruder using two tent light rings with white 5mm LEDs. I designed a circular holder for these rings, along with two holding arms and reused my previously created clips (available at http://www.thingiverse.com/thing:221362). For the PWM driver, an Atmega328P microcontroller with Arduino bootloader was used. It was soldered on a single layer protoboard with a designed base that can be mounted on the mainboard mount (http://www.thingiverse.com/thing:230616). Further details, source code, schematic, and part list are available on my blog at http://ljwinkler.blogspot.com/2014/02/led-ring-light-for-velleman-k8200-3d.html. Cheers, LJ
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