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Lisa/S Autopilot

Ultra small Fully autonomy capable UAV autopilot

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Lisa/S is a micro footprint general purpose autopilot.

Features:

72MHz 32bit ARM Cortex M3 MCU with 16KB RAM and 512KB Flash
Combined 3 Axis Gyroscope and 3 Axis Accelerometer
3 Axis Magnetometer
Barometer (Altimeter)
U-Blox GPS
Attached Superbit CYRF providing Spektrum RC control and telemetry.
Switching buck/boost converter allowing wide range of power input making it perfect and stable for operation from a 1S LiPO cell. (WARNING: The board is designed to be powered only by a 1S LiPo. This means the board can only accept up to +5.5V, any higher voltage may lead to the destruction of the power supply circuitry.)
2 MOSFET switches connected to PWM output channels
6 PWM outputs
1 debug UART port
1 CAN interface
1 Bind/Boot tact switch
SWD programming/debugging interface
Size: 20mm x 20mm x 5mm (0.787" x 0.787" x 0.197")
Weight: 2.8g (0.1oz)

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Discussions

alpha_ninja wrote 12/07/2015 at 00:48 point

I can't find your design files. Could you upload them here?

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alpha_ninja wrote 12/02/2015 at 00:46 point

This is your one-week reminder to upload design documents: https://hackaday.io/project/7813-the-square-inch-project/log/28566-design-deadline

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0miker0 wrote 10/08/2015 at 14:19 point

That's one tight board! How many layers is it and who manufactured it?

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Piotr Esden-Tempski wrote 10/08/2015 at 20:20 point

Thanks! :) The board is a 6layer design. I also had to use one set of blind via, to get all signals broken out of the STM32 mcu. The STM32 is in a WLCSP64 0.5mm pitch BGA package.

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Domingo wrote 10/03/2015 at 07:29 point

Amazing project! Are you gonna make the source code open?

  Are you sure? yes | no

Piotr Esden-Tempski wrote 10/08/2015 at 20:17 point

The code is open source. It is part of the Paparazzi UAV project. There is a reference airframe file that you can find here: https://github.com/paparazzi/paparazzi/blob/master/conf/airframes/examples/ladybird_lisa_s.xml

This also means the code is not a reinvented wheel allowing it to do everything Paparazzi UAV can do for a robotic platform. :) If you know Paparazzi UAV that is quite a lot! :)

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