"@Alain,
The latest ArduRover2 v2.30 alpha code now supports skid steering. Check the Comment Wall for the latest code.
Regards,
TCIII"
Alain Sutter's Discussions
Connect a LCD shield to the APM 2.5!!
Started Sep 10, 2012 0 Replies 0 Likes
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
Alain Sutter's Page
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AdminThomas J Coyle III replied to Alain Sutter's discussion ArduRover without steering servo in the group ArduRover User Group
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"
AdminThomas 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…"
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…"
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.…"
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"
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 ?"
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…"
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."
KM6VV replied to Alain Sutter's discussion ArduRover without steering servo in the group ArduRover User Group"Google: "joystick to differential drive"
JoystickToDifferential
Alan"
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"
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"
AdminThomas 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…"
Doug Chevrier replied to Alain Sutter's discussion ArduRover without steering servo in the group ArduRover User Group"Alain--
A few of us are attempting to do the same thing with boats that have 2 screws. I've gone into the C++ code in several files, found references to elevators and changed them to copies of the throttle code. But I'm not a…"
KM6VV replied to Alain Sutter's discussion ArduRover without steering servo in the group ArduRover User Group"Instead of a Sabertooth, I'm using a RoboClaw. It is a dual motor driver board, and can convert from steering and throttle to left/right "tank" drive.
But thanks for posting your code!
Alan"
Niall Dempsey replied to Alain Sutter's discussion ArduRover without steering servo in the group ArduRover User Group"This may help. Its the code I use to convert to PWM for the motor controllers.
// Remote control ...... #define CH1Max 1830 #define CH1Min 1040 #define CH2Max 1810 #define CH2Min 1055 unsigned long CH1val = 0, CH2val = 0; int CH1adj_val = 0,…"
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