Zapta shares his design files of his Arduino motorized solder paste dispenser for SMT soldering.
SMT solder paste dispenser
This is a motorized solder paste dispenser for soldering SMT boards that was inspired by this thing http://www.thingiverse.com/thing:384680. The home directory of this project is on github here https://github.com/zapta/misc/tree/master/paste_injector and it include hardware and firmware design of a compatible controller board that is Arduino compatible (it looks to the Arduino IDE as an Arduino Pro Mini).
Schematic:https://github.com/zapta/misc/raw/master/paste_injector/eagle/paste_injector_schematic.pdf
BOM:https://github.com/zapta/misc/blob/master/paste_injector/eagle/paste_injector_bom.csv
EEVBLOG discussion:
http://www.eevblog.com/forum/reviews/solder-pasteflux-manual-syringe-applicator/150/I printed successfully using both PLA and ABS and standard slicing parameters (3 layer shells, 20% infill).
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