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Multiplexing with Xbee

Hello,I’m curious if anyone here has experience with connecting multiple digital sensors using the Xbee or other RF modems.Is there a known way to multiplex 3 serial devices over a single RF modem?-Dave

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Foamie airplanes

Most foam wings or other airplanes are built with clear packing tape all over. I read somewhere that clear tape will block the IR from working? Does that mean I need to mount the sensors away from my flying wing covered with clear packing tape ?Earl

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Ardupilot: 4 channels

Hi,I'm staring at my ardupilot this morning and the ardupilot code and I'm not making all the connections in my head.I see that the v2.2.3 code is setup to be able to read ch1 and ch2 coming from the receiver and is able to drive ch1, ch2, and ch3 fo

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Need assistence for a plane

Hi. I want to build a UAV for college and I need a bit of help. I want to make a bigger UAV with an extended range and time of flight (around 3 hours and at least 20 miles). The main thing I need is the wingspan and the size of the craft. If anyone c

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Need help formatting log files.

Hey guys,I'm using an Attopilot and need help properly formatting log files in Excel. So far I've been opening them in Notepad and just get a clumped up bunch of information. A sample log file properly formatted in Excel from Attos test mode and a fl

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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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