Alain Sutter
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APM 2.5: Can't upload firmware; Content mistmatch

Started this discussion. Last reply by Alain Sutter Aug 31, 2013. 2 Replies

Hi,When I upload the ardurover fimrware to the apm 2.5 I get the error message avrdude: verification error; content mismatchI'm using an external programmer (Diamex AVR) because i have fried the 2.5.…Continue

Connect a LCD shield to the APM 2.5!!

Started Sep 10, 2012 0 Replies

Why would someone want to do this?Hi I'm a newbie and would like to "play" with the APM 2.5 before starting to build a lawn mover based on the ArduRover code.I want to display the data (gps, compass,…Continue

 

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Alain Sutter replied to Alain Sutter's discussion APM 2.5: Can't upload firmware; Content mistmatch
"No feedback! I'll buy a new APM Alain"
Aug 31, 2013
Alain Sutter replied to Alain Sutter's discussion APM 2.5: Can't upload firmware; Content mistmatch
"Hi, In the meantime I have made some additional tests. I've tried to upload the bootloader but this failed. Btw, is the bootloader upload automatically using the programmer (in the arduino IDE), because for a sketch one can choose between…"
Aug 27, 2013
Alain Sutter posted a discussion

APM 2.5: Can't upload firmware; Content mistmatch

Hi,When I upload the ardurover fimrware to the apm 2.5 I get the error message avrdude: verification error; content mismatchI'm using an external programmer (Diamex AVR) because i have fried the 2.5. (The board is not regonized anymore on my pc. I have fried the TS5A23157. I have replaced it but still not recognized. I've read that there is a chance to get the board programmed over ISP. This is what i'm trying now!)I have added a new programmer in the Arduino IDE. This is the…See More
Aug 25, 2013

Admin
Thomas J Coyle III replied to Alain Sutter's discussion ArduRover without steering servo in the group ArduRover User Group
"@Alain, The latest ArduRover2 v2.30 alpha code now supports skid steering. Check the Comment Wall for the latest code. Regards, TCIII"
Mar 19, 2013
Alain Sutter replied to colby's discussion starting a ardurover in the group ArduRover User Group
"Hi, I'm also building a robot lawn mower and of course it must be electric. I will use 2 wheechair motors for "travelling" around and the mechanic of a reel mower (with its own motor) Have fun, Alain"
Feb 13, 2013

Admin
Thomas J Coyle III replied to Alain Sutter's discussion ArduRover without steering servo in the group ArduRover User Group
"@ben, Since the output of the APM is PWM there is no way to measure the output pin voltage with a DMM. You need to get one of these: http://www.bphobbies.com/view.asp?id=A0320107&pid=D0736126 With this tool you can read the PWM output on each of…"
Jan 31, 2013
heliboy replied to Alain Sutter's discussion ArduRover without steering servo in the group ArduRover User Group
"Your best best is to invest in a Arduino UNO ($30). Connect the outputs from the RC TX to digital inputs on the UNO and use pulsein to see the RC signals - midpoint 1500. Move the stciks around and see that the signals change. Now buy a Pololu…"
Jan 31, 2013
ben replied to Alain Sutter's discussion ArduRover without steering servo in the group ArduRover User Group
"sorry to bother u again lol :P but i think ur the only one that can help . im still getin nothing from my outputs.even tho i hav its own power to the outputs now, my signal voltage tho is still the same .34vdc and i tried alot of different things.…"
Jan 31, 2013
heliboy replied to Alain Sutter's discussion ArduRover without steering servo in the group ArduRover User Group
"You can buy a wild Thumper control board. It is set for steer/throttle input to control two built-in motor controllers. You can modify the arduino code to change the mixiing or get rid of it. $ 80 at Sparkfun.   - Vijay"
Jan 18, 2013
ben replied to Alain Sutter's discussion ArduRover without steering servo in the group ArduRover User Group
"im.new to.the ardupilot. but project very similar. is there specific.outputs i need to run to signal sabertooth? and what parameters in mp do i need to.change ? oh one more thing is the code a must have or wil it work without ?"
Jan 18, 2013
Alain Sutter replied to rallymr2's discussion USB not recognized at all
"Hi, I have the same problem: the apm 2.5 is not recognized anymore on my computer (win7) and on others too. The apm is not dead. I wanted to upload a new sketch (It did work in the past). I have the 3DRadios. Is there a chance that i can do the…"
Dec 16, 2012
Corey McGuire replied to Alain Sutter's discussion ArduRover without steering servo in the group ArduRover User Group
"Another avenue is to use an off the shelf - or finding a code snippet - for a "v-tail mixer"This is, in essence, what these motor controllers are doing."
Nov 19, 2012
KM6VV replied to Alain Sutter's discussion ArduRover without steering servo in the group ArduRover User Group
"Google: "joystick to differential drive" JoystickToDifferential Alan"
Nov 13, 2012
KM6VV replied to Alain Sutter's discussion ArduRover without steering servo in the group ArduRover User Group
"@Doug, Yeah, it would be nice if code to do the transpose was built in.  A simple #define or even a parameter could invoke it. Alan"
Nov 13, 2012
Alain Sutter replied to Alain Sutter's discussion ArduRover without steering servo in the group ArduRover User Group
"Hi Doug, I'm a software engineer but its hard to dig into the code if you dont know how it is structured. May be Jean-Louis Naudin who has ported ardupilot to ardurover could help. Regards, Alain"
Nov 13, 2012

Admin
Thomas J Coyle III replied to Alain Sutter's discussion ArduRover without steering servo in the group ArduRover User Group
"@Doug, The shortest route to accomplish what you want to do is for you is to use a motor controller, like the Sabertooth or the RoboClaw to control the two motors. Otherwise, there is a program for the Parallax BS2 that will take steering and…"
Nov 13, 2012

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Bild a lawn mover based on the ArduRover

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