Week 8 Update

Week 8 Update (3/16)

What was accomplished:

• assembled stepper motor electronics setup, and updated arduino code so that it would revolve precisely ONCE(should work on the final assembly, since we are using the same stepper motor) WITH a button setup

• re-designed spin coater CAD on onshape

• planned out a roadmap on how to assemble electronics(have a single arduino mega controlling everything, or find a way to "link" smaller microcontrollers together)

Roadblocks/issues:

• The cable that needs to be used is micro usb, and there are no cables that I could find that directly connect onto my labtop(only has C cable connections, not sure if there is a micro usb -> usb c cable)

• The stepper motor requires a different voltage from the microcontroller, so either a second power supply is needed for the microcontroller, or a voltage de-regulator(12v to 5v) is required in the electronics setup

TO DOs:

• Once syringe arrives, take measurements of it, before modifying 3d printed parts in previous cad according to those measurements, and begin testing