Raspberry Pi + Linux + Xbox360 = new prototype vehicle

[Doug Conn]

Hello -

I've been working on a new vehicle for a long, long time ! I finally have the control system and a prototype chassis running. It's a small hull with an on-board Raspberry Pi running Ubuntu Mate and driven with an XBox360 Bluetooth controller. 

Check it out here:

http://agilebotics.net/mystery-vehicle/

Thanks,

Doug

[Frank Pittelli]

Nice work, Doug. What's the effective range of the Bluetooth controller?  Also like the use of the Maestro to offload servo and ESC control. The hobby electronics world has come a long way since T001 was built.

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[odyssey...@aol.com]

after clicking on the link and the page loading up, i scroll down to a black error "Media error: Format(s) not supported or source(s) not found"

chris

[Doug Conn]

Thanks, Frank.

>>  What's the effective range of the Bluetooth controller?

I was amazed how far it worked. I have a small yard, so I couldn't do a definitive test. At most, I was probably 40m away and it still worked fine.

>> Also like the use of the Maestro to offload servo and ESC control

I tried generating servo signals via software (under Windows IoT, though). The results were not stable enough to use. I had already written a Maestro driver for Windows IoT, so it was easy enough to port that over to Linux. I plan to use a stepper motor for turret control, so I'll still need to generate those control signals on the CPU.

>> "Media error: Format(s) not supported or source(s) not found"

That's weird. Anybody else getting this error ? My plan is to consolidate all my various tank/robot/hardware/software stuff onto that WordPress site. I'm not sure how far to go though.

  - Doug

[Deceased]

Wiesel? Really like the tracks - can't tell if they're commercial items or attachment chain with really nifty home made pads.

 

[Doug Conn]

>>  Wiesel?

Wow ! Great guess. The Wiesel was definitively on the short list. The track and road wheel arrangement fits. But ..... no.

>>  attachment chain with really nifty home made pads

Thank you. It is attachment chain, with track pads (aka 'grousers') designed by me and injection molded by Stephen Morgret at http://www.strikemodels.com/.

He's an occasional visitor to these forums and a good guy. Stephen also helped me to import a bunch of that attachment chain from China. The plan was to produce 20-30 or these track sets for sale, but life intervened. It may still happen.

I did make an important step forward on the mystery vehicle regarding the attachment chain tracks. I put a small return roller just before the drive sprocket. It helps keep the chain centered on the sprocket.

  - Doug

On Wed, Apr 4, 2018 at 4:57 PM, Deceased <purete...@hotmail.com> wrote:

Wiesel? Really like the tracks - can't tell if they're commercial items or attachment chain with really nifty home made pads.

 

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[Deceased]

My first thought was Vickers MkVI light tank but too few road wheels for that.

On Thursday, April 5, 2018 at 1:38:12 AM UTC+1, Doug Conn wrote:

>>  Wiesel?

Wow ! Great guess. The Wiesel was definitively on the short list. The track and road wheel arrangement fits. But ..... no.

>>  attachment chain with really nifty home made pads

Thank you. It is attachment chain, with track pads (aka 'grousers') designed by me and injection molded by Stephen Morgret at http://www.strikemodels.com/.

He's an occasional visitor to these forums and a good guy. Stephen also helped me to import a bunch of that attachment chain from China. The plan was to produce 20-30 or these track sets for sale, but life intervened. It may still happen.

I did make an important step forward on the mystery vehicle regarding the attachment chain tracks. I put a small return roller just before the drive sprocket. It helps keep the chain centered on the sprocket.

  - Doug

On Wed, Apr 4, 2018 at 4:57 PM, Deceased <purete...@hotmail.com> wrote:

Wiesel? Really like the tracks - can't tell if they're commercial items or attachment chain with really nifty home made pads.

 

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[Robert Currie]