Flextrak is a PiZero form factor AVR based High Altitude Balloon Tracker.
This board has a GPS receiver and radio transmitter designed for
tracking high altitude balloon flights utilising a Raspberry Pi Zero W. An optional APRS board/cut down board will be available soon.
You will get :
- FlexTrak Board
- Battery holder + clip
- 4 x 11mm Standoffs with screws to attach to the Pi+
- Standard non stacking low profile header
- RG174 Tail for making into an antenna see this article.
- Pi Zero W Board with Camera Cable (Camera not supplied - please order separately)
- 32Gb SD Card preloaded with FlexTrak code.
The board is supplied with a 434/868 or 915 MHz LoRa radio transmitter To track the location of flight you also need a suitable radio receiver, aerial and PC on the ground. To can be tracked with a mobile phone connected to our LoRaGo device.
- Efficient built-in power regulator providing run time of over 20 hours from 4 Energizer Lithium Ultimate AA cells
- Highly sensitive UBlox GPS receiver suitable for altitudes up to 50km
- Temperature sensor
- Battery voltage monitoring
- Allows use of Raspberry Pi camera
- Mounting holes and spacers for a solid connection to the Pi
- Tracker will continue to work even if the Raspberry Pi fails.
The open-source software provides these features:
- Radio telemetry with GPS and sensor data using UKHAS standard
- Radio image download using SSDV standard
- Multi-threaded to maximize use of the radio bandwidth
- Variable image size according to altitude
- Stores full-definition images as well as smaller transmitted images
- Automatically chooses better images for download
- Supplied as github repository with instruction
- Optional APRS transmission with additional hardware.
- Optional external temperature probe (Available soon)
Flextrak Board - 16g
Header + Standoffs - 14g
Battery Holder+Clip - 13g
PiZeroW + Cable - 14g
Not supplied for information only:
Energizer L91 Lithium (AA) - 14.5g x 4
Instruction Manual: https://store.uputronics.com/files/FlexTrak_Manual.pdf
Flextrak Raspberry Pi Kit
- Brand: Uputronics
- Product Code: HAB-FLEXTRAK
- Availability: 24
- Ex Tax: £180.00
Tags: Pi In the Sky Kit