Filament Width Sensor with Arduino Pro Micro and TSL1401CL
thingiverse
WARNING: THIS THING IS OUTDATED. ====================================== Please visit http://www.thingiverse.com/thing:704897 for updated version. I've modified flipper's great filament width sensor design to use an Arduino board, which is considerably more familiar to most makers. This sensor board have equivalent sub-pixel accuracy which came from the flipper's design. It dismisses the calibration button, however it allows serial communication via USB (Atmega32u4) that permits in-situ calibration and monitoring of the reading values. Also, this approach enables easy firmware update even after installation. With very limited soldering equipment (no reflow oven), I decide to use ready-made Arduino Pro Micro (https://www.sparkfun.com/products/12640) board from Sparkfun electornics. (As an alternative sourcing place, a cheap ebay one only costs
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