LED Indicator bar
thingiverse
To create indicator lights that monitor the operation of the hotend, extruder cooling fan, and hot end fan while observing via remote camera, a bar can be attached to the original fan fixing location. The LED's are 3mm prewired with resistors that tap into the devices at the carriage for connection. You must solder these connections and determine the polarity of each device to make the LED's function properly. To reduce the brightness of the LED's, the light bar is solid in front with 2-3 layers of material applied to tone down the intensity. The screw holes are drilled as pilot holes to fit the original M3 screws that mounted to the fan bracket.
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