Running Gobot on the ARDrone Most users of it don't know this, but the ARDrone 2.0 runs a BusyBox LinuxThis means we can execute code on the drone itself, and connect to it over For this example, we'll get an ARDrone to talk to a Digispark plugged into theUnfortunately, since the ARDrone doesn't have much in the way of resources on-board, we can't compile directly on the drone, but it has an ARM-based processor, so we can easily compile on another To get this done you will need: Your BeagleBone Black will need to be running Ubuntu 13.10 as the default Debian install won't be able to do what we need, and newer versions of the Linux kernel prevent the compiled executable from running on the dron's hardware. This guide also assumes you're using a UNIX-y OS (Linux or OS X) and you have at least Go version 1.2 installed on your Beaglebone Black. With that in mind, let's get started. First, connect to the BeagleBone over SSH, and install the GCC-based Go compiler:

Now install Gobot on the Beaglebone Black: For this example, we'll blink the Digispark's built in led every one second: Save this program on your Beaglebone Black as blink.go and then compile the program with: On your host computer, connect to your ARDrone's WiFi, and telnet into the drone: Once you're logged into the drone, edit the file /etc/usb.ids: And add the following lines: Next, edit the file /etc/init.d/rcS: Once that's done, restart the drone. On your host computer, move to your tmp directory: And copy the compiled blink binary from your BeagleBone Black to your host computer: $ scp [email protected]:/tmp/blink . Connect your computer again to the ARDrone's WiFi and plug the Digispark into the drone's usb port, which should be attached near the battery compartment. Once that's done, use ftp to move the blink binary from your host computer over to the drone: The ftp program will copy the binary to the ~/data/video folder on the

drone, so telnet back into it and move to that directory: Once in that directory, you can set the executible flag on the binary and run it: At this point your Digispark's LED should be blinking. You've now got Gobot programs running directly on the ARDrone. From here, the sky's the limit. The Ultimate Wi-Fi Controlled Quadricopter With the ‘Power Edition’, fans of AR. Drone 2.0 can take advantage of the new high density Lithium-Polymer battery which increases the battery life of the quadricopter from 12 to 18 minutes! The Power Edition includes 2 HD batteries for up to 36 minutes of flight. In addition to the standard black propellers, the ‘Power Edition’ has three additional sets of propellers. With up to 36 minutes of flight time, release all the potential of your Parrot AR. Drone 2.0 Power Edition and become the master of the skies. HD Battery (High Density) The HD battery is a three-cell Lithium-Polymer battery with a capacity of 1500 mAh at 11.1 volts with a discharge capacity of 10C.

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possible other names: ardrono, dronenodeuino, ardronenodeuino, arnodedroneduino ahahahah above shot is from @rem getting node on the drone untar node-serialport and put node and the node-serialport folder onto a usb thumbstick thingy put the thumbstick thingy into the drone (like in the above photo) telnet into drone, telnet 192.168.1.1(it might be usb1) cp -r usb/node-serialport/ node_modules/ note: you can use node-serialport to get data from arduino but you can't use johnny-five because it depends on firmata which doesn't support Tx/Rx serial communication this last point means you have to write actual arduino sketches and upload them to the arduino directly, but you can still write node code that runs on the drone to reads the serial data also I found out that since the serial port on the drone is intended as a debug console you will get a bunch of debug data spewing out at you from the boards Tx pin. I don't know how to turn it off at this time.

what this means is you can send data into the drone over serial but you can't (to my knowledge -- someone should hack this) send data from the drone over serial to a device yet here is where things get tricky be very careful that you don't eff up your drone! the drone has a female USB port exposed next to the battery connector but unfortunately it is hardcoded into host mode so it can only be used with mass storage devices :( that last point is based on my naive understanding of electronics. prove me wrong and fork these instructions! there is another serial console on the drone motherboard open up the bottom of the drone under the little piece of black tape to expose a buncha plastic hole thingies: turns out this has pins for TTL serial communication and USB serial communication. this awesome post by jazzomaniak is where I figured this out here is a pinout from jazzomaniak: ** it has come to my attention that the serial console tx/rx pins on the AR Drone 2 run at 1.8v which means you'll need a level converter to talk to the arduino.

here is a schematic from the mirumod project that shows where the level converter should be installed ** without a level converter i still was able to receive and transmit serial data from arduino to drone but it was flaky. i believe (but have not yet tested) that after fixing the voltage mismatch that communication will be much more reliable you'll wanna get some thinnish gauge wire (around AWG 16 I reckon, AWG 22 is for most breadboards and my 22 wire didn't fit into the drone serial ports) get an arduino uno which provides 5v or 3.3v TTL serial via digital ports (Rx and Tx). due and uno have this, not sure about others here is a shot from @rem of drone with the entire bottom cover removed you can also theoretically power the arduino from #8 and #9 on the drone if you hook them up to a barrel power jack thingy for the arduino (or use the Vin and GND pins for the same effect). I haven't hooked this up yet cause I ran out of cables. @rem in the comments below said he got it working

you can also use the other USB port on the drone to power the arduino, but I don't have a short enough USB cable for this upload the sketch in this gist called helloworld.pde to the arduino in a telnet shell on the drone type cat /proc/cmdline and find out which tty device the 'console' is set to. on my drone it was ttyO3 set the tty socket to raw mode: stty -F /dev/ttyO3 -raw verify the baud rate of the socket: stty -F /dev/ttyO3. mine originally said 115200 but after messing with it it seems to change to 9600. the arduino sketch and the node code running on the drone need to both contain whatever stty tells you the baud rate is for communication to work. the Input/output error above is because I was sending serial data from the arduino into the drone. I unplugged the serial cables from the arduino and tried the command again and it worked. I think it was around this time that the drone decided to switch baud rates to 9600 go into a node repl (./node) and copy paste in helloworld.js from this gist