Cheaper, simpler Oilpan

I'd like to propose a new, cheaper oilpan with (much) cheaper sensors embedded.  The goal would be to have an oilpan (that probably couldn't be used for quads, but for gliders or some planes it would be OK) that is priced at around 30-40$ instead of 160$.  It would be pin-compatible with current oilpan.
Features (modified from Oilpan specs)
  • Single 3.3V regulator
  • Relay switch for cameras, lights or payloads
  • LSM303DLH 3-axis Accel / 3-axis Magnetometer (~5 dollars) (I2C communication)
  • LYPR540AH 3-axis gyro (~5 dollars) (analog)
  • 3-channel, 12-bit ADC for gyro
  • No Data logger
  • No DIP switch
  • Built-in FTDI, making the board native USB. [can this be removed?]
  • No OSD port.
  • No extra I2C port
  • No user-programmable buttons
  • No analog expansion ports
  • Reset button.
  • No voltage dividers
  • One status LED
  • Airspeed sensor port (optional, sold separately).
  • Pressure sensor and temp for accurate altitude (can this be made optional?).

I'm going to start working on the EAGLE files this weekend, what is everybody's thoughts on this?

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Comments

  • Hi Jonathan,

    One thing you may want to consider is to pull all of the current header pin type connectors off and create a wire harness that routs all external connections (inputs and outputs)  on the board to a standard bulkhead connector, Glenair Mighty mouse (these are really pricey), or a standard sub D type connector. I would also route any indicator, LED's, out through the connector. The reason I'm suggesting this that   once the AP was assembled it would be installed in a light weight shielded box an never see the light of day again. The disadvantage is that this will increase the over all weight and size. Just a thought    

  • Yes that'd be perfect! I'll let you know when the schematics are finished.
  • Hi Jonathan

     

    If you need anyone to place components I have all the equipment for production.

     

    Screen Printer

    Pick & Place

    Reflow Oven

     

     

  • FYI I already have 5x each of the accel and gyros, I could probably ship a few out to those who would help.
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