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Connection question

Hello, i have the seen there is a new complete manual for the arduPilot out. I have started to build the board and shield with the old manuals, now i have made everything like in the new one.My question is where do i put the 5 pin FMA sensor cable i

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RC mode detection flaky

I'm having a problem where it is very flaky about detecting RC mode.There are cases where no receiver is connected and it goes into RC mode, and cases where there *is* a receiver connected and it doesn't. It seems to be almost random about whether it

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EM406A on 5v

It has been pointed out that the signal output voltage from the EM406A is TTL level, Output voltage level: 0V ~ 2.85V RS-232 level.The input voltage for a ATMega328 is specified as 0.2Vcc for low and 0.6Vcc for high, so operated on 5v it requires max

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Propeller Chip DCM?

I was out at sea on a cable layer for a few months, so I've been away from micros for a while. I like the progress that's been made using DCM. I'd like to implement a Propeller Chip DCM object using assembly. Before I start, is anyone already working

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Sparkfun FTDI Config Tool Workaround

Works EVERY time now IF......Ya got to hold yer jaw right !!0. OOPS fergot this step....unhook GPS !1. Pin 6 of FTDI on board bent out of the way.2. Put finger ON reset button.3. Point head north!4. Do a read OR write operation and just before the re

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GPS EM-406A problem

Hi everyone,I bought an EM-406A and I connected directly the Tx pin of gps with Rx pin of AVR 8515L...the output that it gives me does not look like NMEA strings, but it gives words like this: NNNNV NN2F NNV6>>> NNNNNNN etc.As I wrote above I connect

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GPS Lock Issue

Hello all.I am trying to get the GPS to lock. The funny thing is the GPS LCK LED will flash continuously regardless of how long I let it sit to obtain a lock. I'm tried this outdoors. Is there anything that I might be forgetting which might cause the

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Uploading with GPS Attached

Some people have been having issues uploading to their ArduPilot while the GPS is connected. I did some investigating today to determine where the issue may be.I did a quick simulation of the circuit that turns the GPS on and off. This is a rough app

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Starting with a GPS guided boat

Hello all!I have been hunting along internet for topics related to GPS guided boats without any results. Then I found ArduPilot. I got very excited about this hardware.For familiarizing myself with ArduPilot, I've planned of building a simple boat th

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