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Celestial Laser Identification and Visualization Experiment: Astronomy software to point out stars, planets, etc. using a stepper based turret.

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C.L.I.V.E.

Celestial Laser Identification and Visualization Experiment: Astronomy software to point out stars, planets, etc. using a stepper based turret.

Design History

This code used to run on a GameBoy Advance with an XPort FPGA card, but is currently being rewritten to run under Linux. It is not yet functional.

The new design uses an app running on a Linux box (or Raspberry Pi) to do the main orbital and 3D calculations, and to provide the main interface. It controls the turret over USB using an Arduino Mega with a RAMPS shield, with slightly custom firmware. The physical turret is 3D printable in ABS. Rough Alt/Az calibration is performed using compass and accelerometers on the turret. A GPS provides position and time info for orbital calculations.

Hardware

This design requires the following hardware:

  • Arduino Mega 1280 or 2560
  • RAMPS board (Reprap Arduino Mega Pololu Shield)
  • 2x Pololu sub-boards.
  • FTDI USB to Serial Adaptor.
  • Almost any Serial GPS sensor.
  • MPU6050 I2C Accelerometer/Gyro sensor.
  • HMC5883 I2C Compass sensor.
  • 2x NEMA17 Stepper Motors.
  • 3x four-pin header plugs for stepper and I2C sensor connections.
  • Printed Turret Parts. (Designs in TurretModels Dir.)
  • USB fullsized A-B cable.
  • USB Mini cable.
  • Linux computer or Raspberry Pi board with Raspian Linux.

Directories:

TurretModels
3D Models for a printable turret.
TurretFirmware
Custom firmware for a RAMPS turret stepper controller.
MainApp
Sources for the main astronomy linux app.

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Celestial Laser Identification and Visualization Experiment: Astronomy software to point out stars, planets, etc. using a stepper based turret.

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