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fish spotting

I would like to mount a camera onto my cessna airplane with me and broadcast images to boats below.

Looking at  scherrer uhf or dragon link v3.

I have no experience in this area but seems I could get a camera that looks out the window as I do and with

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Cheerson CX-20

For our senior capstone project my team and I will be modifying an off-the-shelf quadcopter to locate and hover near a Bluetooth wireless signal for the best signal strength. My question is this: Can the Cheerson CX-20 update its flight plan while in

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Bad language

A couple of weeks ago I downloaded Mission Planner to my laptop and set the quad I'm building.

Today I opened up Mission Planner to change some settings and guess what? Mission Planner is all in Chinese, Japanese or some similar language!

Does anyone k

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Seems to be a bug, but...

Hi guys, I´m running the latest MP version with APM 2.7.2 (from HK) with APMPLANE 3.4.0 firmware via data radio. Everything seems to be fine, except for radio calibration (in may case) roll reverse checkbox. Setting Manual Mode The Tx and roll servos

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APM Skid steering problem

Hello everyone!
I am trying to assemble a boat with APM to move autonomously. Since I am using 2 BLDC-s to move the boat, I am using the Rover firmware with SKID_STEERING_OUT and _IN turned on. In the documentation it is written that in this mode outp

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TriCopter for Ag Survey Work

My new TriCopter made its first long-duration test flight today, fully autonomous.  Using APM2.8, ArduCopter 3.2.1, APM Planner2 on linux.  It flew the same 15 minute mission repeatedly until the battery got low.  After letting the battery recover fo

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915mhz 433mhz Antenna mixup

Hi all,

Hope this isn't a stupid question:

Is there a difference between 433mhz and 915mhz antennas supplied with 3DR style radio modules, and if so how can i tell them apart?

I've been struggling to get a decent telemetry link with knock off versions o

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