Friday, February 22, 2013

GPS Telemetry range with XBEE Pro 2

The range is very good through brick/steel in the building. I am thinking that when this thing is outside the building it will have a nice mile range via line of sight. I will do a walking test this weekend to see what kind of distance that we get.

I ordered a 2000mw Wifi booster and +9db antenna for the control laptop and also ordered a bluetooth to serial board to connect the android phone via bluetooth to the serial of the control arduino.

Here is what is onboard RCHL so far:

Chumby hackerboard with WiFi SSH and serial connections to each Arduino, including serial connection via Xbee if SSH has a problem. Autoreset SSH every 2 hours.

Arduino Mega 256 with the following sensors attached:
4 ultrasonic distance - NSEW
1 motion detector mounted on the top of the MechaTron
1 wind speed
1 digital compass
1 inertial measurement unit

Arduino UNO POE - softserial code running to watch multiple incoming serial data and then piped to XBEE Pro 2.

Arudino UNO - motor control and IP cellular backup communication for long range control piped to UNO POE serial.

POV and Zoom dome camera - IP controlled.

WiFi router with dd-wrt linksys 54G.

Android phone with bluetooth serial connection to Arduino mega.

60 Amp motor control board.

Optorelays connected to POE arduino to control on/off/reset of each other board.

Optorelay kill switch in a 'dead man' configuration.

Things are getting really fun. This weekend I want to accomplish connecting all of the sensors to the Mega 256 and have that dumping data over the Xbee and back to the control laptop. Cheers to robots!

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