"Yeah I was using that up to the point I started trying to get fancy and used the IMU software to see the graphs that the unit come up with and then for some dumb reason clicked commit to flash and now nothing works. Ive been talking with Caleb and…"
Mike Mogenson's Discussions
could you use a PC and wireless link as an off-board/remote autopilot?
Started this discussion. Last reply by Morli Aug 5, 2010. 1 Reply 0 Likes
This is just an idea, and not a well formed one, but would it be possible to send all the IMU sensor data from a quadcopter UAV to a remote ground station or laptop that's running an autopilot…Continue
Which sensors are connected to which analog pins on the ArduIMU v2?
Started this discussion. Last reply by Ken Jul 29, 2010. 4 Replies 0 Likes
Hello, can someone tell me which sensor is read by which analog pin in the ADC section of the ArduIMU code?For example, it looks like the pitch accelerometer is on pin 0 and the variable mapped to…Continue
Lego NXT controlled quadcopter
Started this discussion. Last reply by Tim - Arduino for Visual Studio Jul 13, 2010. 4 Replies 0 Likes
http://www.youtube.com/watch?v=3JLkMAlfDdEThis is just a test with two motors mounted on beam with a pivot in the middle (like a seesaw). An…Continue
Tags: quadcopter, arduimu, nxt, lego
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Latest Activity
andy j replied to Mike Mogenson's discussion Are there IMUs that output absolute position?"Caleb supplies some software downloadable at his chrobotics.com website. make sure you pick the one for the chr-6dm because it has extra settings for the mag.
Then you can use a FTDI cable to link your PC and chr-6dm and it will show you a…"
Norbert Turpin replied to Mike Mogenson's discussion Are there IMUs that output absolute position?"Is there a specific program you use to program the IMU? Everything I use spews crap at me and Im not 100% on what settings I should be putting into the program to read the data properly."
andy j replied to Mike Mogenson's discussion Are there IMUs that output absolute position?"NewSoftSerial works too. I got it working on an arduino nano via soft serial at 115200
just make sure to set the output to roll pitch yaw, and z_accel only. Also set the broadcast to 73 (aka 100 hz)
so the uno should probably…"
Norbert Turpin replied to Mike Mogenson's discussion Are there IMUs that output absolute position?"Yeah that is unfortunate. I didnt realize it at the time, aka didnt do all the proper research. I am glad I got the UNO all the same because I didnt realize how much I would need it til after I got it. I do have a GPS that runs on TTL but I have…"
Henrik Larsson replied to Mike Mogenson's discussion Are there IMUs that output absolute position?"Don't know if it'll work on a UNO since it's only got one hardware UART... Maybe if you convert some of the CHR code to use SoftSerial? But I have not tried that.
Simplest will be to just use a Mega...
Or wait, if…"
andy j replied to Mike Mogenson's discussion Are there IMUs that output absolute position?"Honks last reply here on page 5 has the best stand-alone version of the code. If you are justing wanting to retrive data, just store the variables that are being sent to…"
Norbert Turpin replied to Mike Mogenson's discussion Are there IMUs that output absolute position?"I am using the 6dm unit with an Arduino UNO, just wondering if the code would be the same or much changes? Im hoping to just retreive the data from the unit once per second rather than continuously let the data flow since all I am doing is logging…"
andy j replied to Mike Mogenson's discussion Are there IMUs that output absolute position?"That is great news! now im twice as excited - that code looks great!!!
Thanks for giving me that link too! i've been thinking about the code aspect for a while now, but to know that its already been done and tested? excellent"
Henrik Larsson replied to Mike Mogenson's discussion Are there IMUs that output absolute position?"Great news!
I've teamed up with a super coder named Lokling and he helped me (i.e. made it for us) with a complete way to both send data to and extract from the CHR6DM to the Arduino Mega Serial1 port.
It can be found…"
andy j replied to Mike Mogenson's discussion Are there IMUs that output absolute position?"How goes your progress?
I gave up trying to mod/port jordi's and wiliams code to fit my arduino 328 or mega with 6dof + 3x mag + bar pressure + gps. spent 2 months... no luck
i just ordered the CHR-6DM as well, and cant wait to get it. I will…"
Mike Mogenson commented on Geoffrey L. Barrows's blog post Arduino optical flow sensor (fun breadboard prototype)"glad to see you're working on arduino support!"
Henrik Larsson replied to Mike Mogenson's discussion Are there IMUs that output absolute position?"Hey! I bought this CHR-6DM straight after seeing this: http://vrhome.net/vassilis/category/quadcopter/
It's a quad made off of this sensor board. And it works AMAZING!
So, now I sit here with a working Arduino Mega/Nintendo Wii sensor IMU…"
Pizza replied to Mike Mogenson's discussion any way to sync the speed of motors or adjust the output of ESC's?"dear mike, i too is building a quadrotor, intend to replace RC outputs with PWM, and I have the dx5e and ar500. how did you calibrate all 4 ESCs? could you please elaborate?
there are 4 escs and only one throttle channel. do you connect all 4 escs…"
ModeratorMorli replied to Mike Mogenson's discussion could you use a PC and wireless link as an off-board/remote autopilot?
"Won't be auto pilot in autonomous sense , Latency in decision/commands , single point failure , info overload on comms or hickups could bring down the airframe . You could however put the laptop on the airframe to do the job , did we not read…"
Mike Mogenson posted a discussioncould you use a PC and wireless link as an off-board/remote autopilot?
This is just an idea, and not a well formed one, but would it be possible to send all the IMU sensor data from a quadcopter UAV to a remote ground station or laptop that's running an autopilot program, then send motor commands back? Its the same idea as a remote terminal PC, if you do the processing somewhere else, the remote terminal (quadcopter UAV) doesn't need to be powerful or expensive.A PC could compute an extended kalman filter for the UAV a lot faster than a microcontroller. A setup…See More
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