"Hannan, Nathaniel P" <hanna...@oregonstate.edu> writes: > Hello, > > My name is Nathaniel and I am part of the Oregon State University USLI NASA > competition team. We recently did a full scale test launch in Brothers > Oregon. The first seconds of the flight went well up until approximately > 2.86 seconds after boost. At this point in flight the drogue chute deployed > then a few seconds after the main chute. After looking at the data from the > flight computers it was noted that the pressure sensor reading was > constant. I was wondering if anyone else has had this occur with the > Telemega V5 or what could have caused this to happen?
Yes, a hardware/firmware issue was identified in versions prior to 1.9.12 which could cause the shared SPI bus used by the baro sensor and radio to lock up because of contention between APRS transmissions and baro sensor reading. This was fixed in version 1.9.13. -- -keith
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