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Archive for the ‘high altitude balloon’ Category

Wanting to see data from their high school’s HAB launch, 9th grader “Spaceshark” and a few of his classmates decided to build their own data tracker.

According to the project’s write-up, Spaceshark’s school has an astronomy club which sends HABs to the edge of space. Although the 360-degree video embedded here would be enough to satisfy most people’s curiosity, this team wanted more data!

Spaceshark’s group proceeded to create a data logger using an Arduino Uno, along with sensors to collect data on the satellite’s latitude and longitude coordinates. Altitude, wind speeds, time, and the satellites in view can also be recorded, saving readings on a microSD card for later analysis.

Since these type of balloons can reach heights of 100,000 feet, the fact that the boards used could get quite cold, as well as the question of whether or not the GPS used would work at that altitude, had to be considered. You can find more details of this build on its Instructables page here.

Apr
11

Reach Out and Touch Your Next Project with Long Range RC Controller

arduino, arduino hacks, digi xtend 900Mhz, drone, drone hacks, high altitude balloon, RC Commenti disabilitati su Reach Out and Touch Your Next Project with Long Range RC Controller 

RC01

Long range wireless control of a project is always a challenge. [Mike] and his team were looking to extend the range of their current RC setup for a UAV project, and decided on a pair of Arduino mini’s and somewhat expensive Digi Xtend 900Mhz modems to do the trick. With a range of 40 miles, the 1 watt transceivers provide fantastic range. And paired with the all too familiar Arduino, you’ve got yourself an easy long range link.

[Mike] set the transmitter up so it can plug directly into any RC controller training port, decoding the incoming signal and converting it into a serial data package for transmitting. While they don’t provide the range of other RF transmitters we’ve seen, the 40 mile range of the modem’s are more than enough for most projects, including High Altitude Balloon missions.

The code for the Arduino transmitter and receiver sides is available at their github. Though there is no built-in error correction in the code, they have not had any issues.  Unfortunately, a schematic was not provided, but you should be able to get enough information from the images and datasheets to construct a working link.

 


Filed under: Arduino Hacks, drone hacks


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