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glydrfreak edited this page Jan 1, 2018 · 3 revisions

The world’s most amazing and affordable DIY Variometer!

Custom circuit board designed in Eagle CAD
Reflow soldered in a pan on a stovetop
Plugs into Adafruit’s Bluefruit Feather M0
Programmed with Arduino IDE
Compatible with Flyskyhy for iPhone and v^Speed for Android
Enclosed in a 3D printed case
Mounted above the carabiner on a riser
MS5611 - Very precise barometric pressure and temperature sensor
Detects altitude changes as small as a few inches
ePaper display easily visible in sunlight
Micro SD saves user preferences and any desired flight data
One beep for every foot climbed and fully customizable thresholds
Material cost for one: $111 each
Material cost for ten: $69 each

v^SPEED VARIO PROTOTYPE4