156B Week 9

Overview of Status of Analysis, Design, Fabrication, Tests, etc.

• • Final Testing and Fabrication

Accomplishments from Previous Week

• • Tested Peristaltic pump

  • Tested Grinds ramp

  • Tested PLA Annealing

  • Progress on water heater mount

  • Purchased remaining necessary hardware

  • Iterated 3DP valve mounts

  • Consolidated code for everything except UI

Goals for Next Week (list names after each item). Use specific and measurable objectives.

• • Implement peristaltic pump cleaning system and create clea(Alec)

  • Print HTPLA parts (Alec)

  • Finalize electronic board connections (Alec)

  • Update Wiring diagrams (Alec)

  • Iterate on grinds ramp (Alec)

  • Test finalized system code (Phil)

  • Finalize user interface (Phil)

  • Finish heating module ramp (Phil)

  • Mount for thermocouple (Phil)

  • Test grinder and finish timing equation (Sebastian)

  • Finalize quick-disconnect system and filter holder (Sebastian)

  • Finalize electronics board size and mounting location (Sebastian)

  • Finalize front panel design (Sebastian)

  • Reassemble system (team)

  • Update Bill of Materials (team)

  • Sign additional patent form (team)

Sponsor Comments from Last Meeting and Actions Taken to Address these Comments (indicate date of comments and if via email or in person)

All comments made over conference call on 2/28/19

• • Integrate peristaltic pump for cleaning cycle

  • Integrate cleaning cycle into brewing cycle

  • Focus on cleaning and fine tuning brew over immaculate documentation

Instructor Comments from Last Meeting and Actions Taken to Address these Comments  (indicate date of comments and if via email or in person)

All comments made 2/26/19 in person

• • Make sure all tubing, fittings, etc are food-grade materials

    • list the exact material they are made of

  • Incorporate (project-irrelevant) standards into "future design recommendations" section

Comments from Other Students in the Class (indicate date of comments and if via email or in person)

• • N/A

Risks and Areas of Concern

• • Arduino Programming is becoming complex

  • UI may be more limited than expected

  • PLA parts badly deformed after annealing

Resources or Information Required but not Available

• • N/A

Schedule

• • Wk9: HTPLA parts + front panel + finish assembly + bells and whistles + Finalize code

  • Wk10: bells and whistles + last minute changes

Budget (list amount spent and amount remaining)

• • Spent: $963.76

  • Remaining: $2,536.24

Progress on Report and Webpage

• • Report is 85% done, cleaning up and finalizing system CAD

  • Webpage will be 100% done once report is finalized