add circuits"

README.md

system/cad/instrumented-extruder.f3z

.../lpf-axl-stepper/2020-06-25_ucbus-stepper_to-macrofab.zip

system/ecad/lpf-axl-stepper/2020-06_ucbus-stepper-melted.brd

system/ecad/lpf-axl-stepper/2020-06_ucbus-stepper-melted.sch

system/ecad/lpf-axl-stepper/eagle.epf

system/ecad/lpf-heater-module/eagle.epf

system/ecad/lpf-heater-module/heater-module.brd

system/ecad/lpf-heater-module/heater-module.sch

system/ecad/lpf-heater-module/heater-module_2020-11-29.zip

system/ecad/lpf-loadcell-amp/eagle.epf

system/ecad/lpf-loadcell-amp/loadcell-amp.brd

system/ecad/lpf-loadcell-amp/loadcell-amp.sch

system/ecad/lpf-loadcell-amp/loadcell-amp_2020-11-29.zip

system/ecad/lpf-modular-motion-head/2020-08_psu-breakout.brd

system/ecad/lpf-modular-motion-head/2020-08_psu-breakout.sch

...f-modular-motion-head/2020-08_psu-breakout_2021-08-26.zip

system/ecad/lpf-modular-motion-head/eagle.epf