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4. Electronics production

General Info

Group assignment

  • All students need be participate
  • Kannai site
    • repo: https://gitlab.fabcloud.org/academany/fabacademy/2021/labs/kannai/site
    • docs/group_assignments/week04.md
    • Markdown
  • Document
    • Kannai site
      • detail
      • alternate (week4:)
    • Individual site
      • Add link of group assignment page in your page
      • Document what you learn from group assignment

Assignment

Group assignment:

Note

characterize the design rules for your PCB production process

Individual assignment:

Note

make an in-circuit programmer by milling and stuffing the PCB, test it, then optionally try other PCB processes

TODO: Group assignment

characterize the design rules for your PCB production process

Mill trace width test

  • 1/64”(0.397mm)
  • 0.010”(0.254mm)
  • V-bit (0.1mm 20 deg)


CAM

PCB

TODO: Individual assignment

make an in-circuit programmer by milling and stuffing the PCB

  • ISP (AVR)
  • UPDI (AVR 0,1-series) < this
  • JTAG (ARM)
2020 (2Pin) 2021 (3Pin)
serial-UPDI.traces serial-UPDI.3.traces
serial-UPDI.interior serial-UPDI.3.interior
  • USB-serial
USB-FT230X-Serial USB-FT230X-UPDI
traces
USB-trim
interior
  • Commercial
FTDI Cable FTDI board
  • FTDI drivers

download site
   DRIVERS > VCP Drivers > Window: setup executable

How to know your board is functional

  • windows

  • mac

    1
    2
    3
    $ ls /dev | grep usb
    cu.usbserial-D307RGA1
    tty.usbserial-D307RGA1
    

  • Parts

Kannai_inventry_student

Assessment

Electronics Production

  • Documented that your board is functional

Last update: February 25, 2021