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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 3D of Housing

The current Soft- and Hardware features:

  • QNH Adjustment
  • Audio-Generator with adjustable Volume and Deadband plus setup option for frequency and range
  • S2F (Speed2Fly) indicator with configurable MC and Ballast based on customizable Polar
  • Variometer display with adjustable range (1 m/s - 30 m/s), and damping ( 1s - 10s )
  • Classic Bluetooth for OpenVario interface with Android devices running XC Soar
  • High precision barometric Altimeter round 1 meter absolute
  • LCD Contrast Setting
  • Battery Voltage Indicator fine adjustable to compensate cable drop
  • Audio Switch for Vario/S2F Audio
  • Prepared for Gear Warning Option
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