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I gathered some feedback and emails in past few months since I shipped firs V5 which leads to some improvement and one additional option available
– customers had issue with micro switch button that I used for vario. I decided to go back to large 6x6mm button which should give better click feel. With additional button cap it will offer easier multiclick button actions. It will also be on the side of PCB, so it will be impossible to break it off, which happened to one pilot.
– some pilots asked for instant vario capabilities. With two barometric sensors probed together at 200Hz rate I am getting steady response time but seems like some pilots want more. I decided to move IMU sensor (acc/gyro/compass) from Advanced prototype into Basic version removing one barometric sensor. Now there will be two Basic options available, Basic and Basic IMU.
– with IMU in place I was forced to jump into more memory requirements, so I had to upgrade Cortex microcontroller to one with larger amount of memory. Code is almost completely portable in this case between older Basic vario and newer one.
– some customers asked if I could get enclosure little bit thinner. Unfortunately this is not doable. My main goals with this enclosure were:
— protect top side of eink device, covering infrared touch screen sensors from direct sun light which in some cases interfere with infrared sensors (false inputs, touch screen locks/touch screen not responsive)
— have gps antenna facing sky to get best possible gps performance. Solution would be smaller antenna, but this leads to very long GPSFIX times.
— have room for future expansion (AIS sensor, BT module, mount options for hangliders)
– XCsoar is still not working properly on GloHD/Touch2 so I strongly recommend LK8000. We also fixed bug around LK8000 which sometimes didn’t shut down ebook device properly.
– I have noticed that sometimes pilots buying DIY KITs for assembly are doing their first iron soldering job. I strongly recommend to buy complete device if You have never worked with soldering iron before. Working with ereader is not the simplest way to learn how to solder, and also it happens to me to do sometimes mistakes and I have probably 20 years of hobby electronic experience. But I’m trying to catch my mistakes before shipping complete devices out. Please always ask if You have any questions about KITs assembly.

Dispatch/Shipping might extends up to 2 – 4 weeks after order.

GoFly Project V5 GLOHD Basic
GoFly Project V5 GLOHD Basic
New 6inch display GloHD ecarta eink based instrument with high resolution and backlight under ereader mode.
Please refer to internal parts and variometer description.
Select internal variometer board based on sensors (Dual Baro or Baro-IMU), select flying app (XCsoar,LK8000) and select shipping option before adding item to shopping cart.
Price: $349.00
Internal audio variometer: :
Installed app: :
Shipping: :

GoFly Project V5 GLO Basic
GoFly Project V5 GLO Basic
6inch display Glo eink based instrument with 1024 × 768 resolution and backlight under ereader mode.
Please refer to internal parts and variometer description.
Select internal variometer board based on sensors (Dual Baro or Baro-IMU), select flying app (XCsoar,LK8000) and select shipping option before adding item to shopping cart.
Price: $299.00
Internal audio variometer: :
Installed app: :
Shipping: :

GoFly Project V5 GLOHD/Touch2 Basic KIT
GoFly Project V5 GLOHD/Touch2 Basic KIT
Eink device (KoboGLO HD or Touch 2.0) device is not included.
Both GloHD and Touch2 have the same size enclosure.
Soldering iron, small (2mm)phillips screwdriver
I am not responsible for any damage to Your kobo glo device but I am always available if You need help or troubleshoot Your custom made instrument.
Assembling time around 30 minutes (depends on skills and tools).
Available Qty: 4
Price: $189.00
Internal audio variometer: :
Shipping: :

GoFly Project V5 GLO Basic KIT
GoFly Project V5 GLO Basic KIT
Eink device (KoboGLO/model N613) device is not included.
Soldering iron, small (2mm)phillips screwdriver required.
I am not responsible for any damage to Your kobo glo device but I am always available if You need help or troubleshoot Your custom made instrument.
Assembling time around 30 minutes (depends on skills and tools)
Available Qty: 7
Price: $189.00
Internal audio variometer: :
Shipping: :


Main specs for GoFly Project V5 Basic:
6inch display eink based instrument supporting LK8000/ XCsoar/ TopHat soaring apps.
(depends on ereader at this moment, GloHD/Touch2 is not supported by TopHat yet)

  • precision acoustic variometer and barometric data output based on two barometric sensors with up to 200Hz sampling rate or by fusion of barometric and IMU sensor data
  • barometric sensor pressure noise less then 2cm, resolution ~10cm
  • faster 32bit microcontroller for high frequency barometric calculations and GPS data processing
  • concurrent GPS/Glonassprofessional grade uBLOX gps module with 2Hz data output supported by active GPS antenna and configured for aircraft mode
  • piezo speaker with wide audio frequency range with new efficient piezo speaker driver
  • acoustic alarms and notifications
  • active GPS antenna, with horizontal or vertical placing option for sky view and best possible gps performance
  • additional 3300mAh battery for more than 10-15 hours real flight conditions
  • environmental resistant bottom and top cover enclosure made from marine grade plastic cut by CNC machine, protecting both side of eink device and infrared touch sensors from direct sunlight
  • adjustable independentaudio volume settings for vario lift, sink buzz and alarms/notifications
  • Variometer settings menu managed by one button and multiclicks
  • Dimensions ~174 x 128 x 22 mm (few mm difference between Glo and GloHd/Touch versions)
  • Total weight 380 grams
  • micro USB interface for charging, uploading maps/airspace file, download tracklogs (device shows up under computer as additional drive)
  • micro USB interface for quick and easy variometer firmware upgrade process (drag and drop firmware file under Windows PC)
  • switchable to standard ereader function for ebook reading
  • vario/GPS deep sleep option (enabled by button) for battery savings during books reading

All transactions are processed by Paypal. Account is not required. Paypal also processes credit/debit cards.
Satisfaction guaranteed. Return product within 30 days for full refund if  You don’t like it (buyer covers return shipping)
1 Year warranty
Default shipping rate 35$ is for international priority mail. Shipment will be processed to customer address provided by paypal transaction details if there is no other notes or emails. Please contact me if other shipping options are required (UPS/DHL/Fedex/EMS).

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