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Eckhard Völlm edited this page Feb 6, 2020 · 28 revisions

Welcome to the OpenIVario wiki!

The project is dedicated to my new flight computer development using ESP32 WROOM development board plus modern sensors such as BMP280, DS1820b, MP5004DP, and a monochrome 128x64 display e.g. OLED or LCD display as Vario Gauge. The design supports the follwing sensors:

  • Outside Temperature
  • Airspeed
  • Variometer
  • Barometric Altitude

The smart thing here is that ESP32 contains a bluetooth sender module, so we are able to transmit all data to XCSoar in 'OpenVario' format, so XCSoar can operate as full glide computer with Speed to Fly command and more.

Prototype with white on Blue LCD Display:

IPS Display 2.4 inch Sensor Board PCB

The current Soft- and Hardware features:

  • Easy QNH and McCready Adjustment

  • Audio-Generator with adjustable Volume and Deadband plus setup option for frequency and range

  • Option for Flap Position Indicator

  • S2F (Speed2Fly) indicator with configurable MC and Ballast based on customizable Polar

  • IAS (Indicated Airspeed) Indicator

  • Temperatur Indicator

  • Battery Charge Indicator

  • Variometer display with adjustable range (1 m/s - 30 m/s), and damping ( 1s - 10s )

  • Classic Bluetooth for OpenVario Interface for Android devices running XC Soar

  • High precision barometric Altimeter round 1 meter absolute

  • Sunlight readable 500 nits 2.4 inch IPS Technology Display

  • Battery Voltage Indicator

  • Audio Switch for Vario/S2F Audio

  • Detailed Setup Menu

  • Gerber files for PCB Available

  • 3D Printed Housing Available

  • Schematic Sensor Board: Sensor Board Schematic

  • Schematic Display Board: Display Schematic

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