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SOLAR TRACKER - CONTROLLER

by IOT123, published

SOLAR TRACKER - CONTROLLER by IOT123 Dec 20, 2017
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Thing Statistics

257Views 34Downloads Found in Electronics

Summary

​This is an extension of the ​Instructable

IOT123 - SOLAR TRACKER - TILT/PAN, PANEL FRAME, LDR MOUNTS RIG. Here we concentrate on the controller of the servos, and sensors of the suns position.

The hole template is for laying out the mounting holes. Check the axis on the template against the assembled unit panel frame and compensate for any differences when laying out.

BOM and Sources

Instructions

Continuous Tracking Video

Tracking/Sleep Video

Modular Sensors/Actors to use with your solar tracker.

Visual Code Editor

Added 18-Jan-18: quick release for controller box. Can turn box 90 degrees so that connectors and FTDI headers are accessible permanently. Use rubber bands during development and zip ties once happy.

Print Settings

Printer Brand:

Prusa

Printer:

Rafts:

No

Supports:

No

Resolution:

0.3mm

Infill:

40%


Notes:

Align large, non-beveled surface to bed.

Custom Section

History

Dec 20, 2017

  • Gist
  • Initial version tracks light source, always on, no charging

Jan 8, 2018

HARDWARE CHANGES

  • Add I2C pins
  • Add switch to servo GNDs
  • Printed Label on controller box fascia

SOFTWARE CHANGES

  • Gist
  • Read configuration from EEPROM
  • I2C bus support as a slave to another MCU (3.3V)
  • Set configuration via I2C
  • Set Enabled via I2C
  • Get configuration via I2C
  • Get runtime properties via I2C (currently Enabled, and Current Light Intensity)
  • Remove serial logging (it affected I2C values)

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