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