Growbies

Welcome to Growbies!

A feedback-control, based on networks of things and machine learning, for agriculture.

Source Repository

People

• Eric Meyer (highvelcty)

Stories

• Velostat Pressure Sensing (January 2025)
  • A First Attempt
  • Using Machine Learning to Take Data
  • Other Data
• Load Cell Scale (March 2025)
  • Distributed Full Bridge Scale
  • Distributed Full Bridge Scale With Improved Platform
  • 4xFull Bridge Scale
    • Growing Data
• Prototyping (June 2025)
  • Prototype #1
  • Prototype #2
    • Testing
      • #1: Zero Offset Drift - Initial
      • #2: Zero Offset Drift - Longer time
      • #3: 5v Drift
      • #4: Op-amp & ADC Check
      • #5: 1k ohm Resistor Wheatstone Bridge Stand-in
      • #6: Parallel HX711 Voltage Regulators
      • #7: Cross-swap Sensor #2 & #3 load cells
      • #8: Attempt to Repeat #6
      • #9: Electrically Sum Load Cells
      • #10: AC Excitation
      • #12: Temperature HX711 Channel B
      • #13: Temperature with Dedicated HX711
      • #14: Mass & Temperature Planar Load Cell
      • #15: Mass & Temperature Single-ended Shear Beam Load Cell
  • Prototype #3
    • Testing
      • #1: Corrected and Calibrated Zero Offset Drift
    • Growing
      • #1: 10” x 10” tray of lettuce