Thanos AMC1.6 USB 2DOF Motion Controller

[motiondave]

Hi again,

Since I had my equipment ready I took another video of the HMD-02 motor driver.

Thanos

Hi Thanos,

I burned my 2 hmd-02 with my big worm motor!!
I will confirm to all x-simer that this simple h-bridge is not suitable for bigworm motors!!
I get no problem with wiper motors although you didn't validate it.
Happy that you've got the PCB.

Best Regards

Did you put a fan on the hmd-02 before testing? It may have heated up very quickly, hence burning up.
I had the same issue with a JRK at the beginning even with a wiper, it took less than 30 seconds to overload the chip without any cooling whatsoever.

[vicpopo]

Hi again,

Since I had my equipment ready I took another video of the HMD-02 motor driver.

Thanos

Hi Thanos,

I burned my 2 hmd-02 with my big worm motor!!
I will confirm to all x-simer that this simple h-bridge is not suitable for bigworm motors!!
I get no problem with wiper motors although you didn't validate it.
Happy that you've got the PCB.

Best Regards

Did you put a fan on the hmd-02 before testing? It may have heated up very quickly, hence burning up.
I had the same issue with a JRK at the beginning even with a wiper, it took less than 30 seconds to overload the chip without any cooling whatsoever.

Hi Motiondave
Instead a fan I puted the h-bridge on a big aluminium chunk (thickness 6mm).Look at the picture below.

368259714.828857.jpg (206.08 KiB) Viewed 5631 times

Hmd-02

I tested with a wiper motor and it had worked great.
Look a the post above.

http://www.x-sim.de/forum/viewtopic.php?f=39&t=132&start=120#p1789

As Thanos adviced to me I puted a 0.1microF capacitor between motor phases and I used a big battery paralel to the PSU.

As you said before this motor suck a lot of current!

Best Regards

[motiondave]

Big aluminium chunk looks good, although a fan would still help disperse heat, especially where the chip mounts onto the heatsink.

[ne02005]

Hi guys, I build my new AMC 1.6, I coud program it OK!!!! just in seconds...

BUT

When I press "START" on X-sim the board reboots and show strange characters... what can it be?

Anybody has the same problem?
I´m testing with Xsim 3 and another old Xsim.

[vicpopo]

Hi neo2005,

I had sometimes reboots problem but with the new amc firmware v1.1 e or f everything is much better.
As often Thanos said you have to clean well your board with the appropriate product and after prtoect it !!
You can ground the crystal case as Thanos made.
Personnely I puted a wire from the board to a external ground (you can try this too )
Best Regards

[ne02005]

Hi neo2005,

I had sometimes reboots problem but with the new amc firmware v1.1 e or f everything is much better.
As often Thanos said you have to clean well your board with the appropriate product and after prtoect it !!
You can ground the crystal case as Thanos made.
Personnely I puted a wire from the board to a external ground (you can try this too )
Best Regards

Thanks,

Yes I grounded the xtal housing but is the same. The displays woks fine but when I "START" the xsim hangs uP!.. it seems to be a problem with comunication...

I´ll try to clean the board and protect it.

It´s a shame!!!!
I thought the AMC 1.6 will be more easy than old Atmega 8535 with serial ports and MAx232.

I´ll keep on trying...

thanks buddy

[vicpopo]

It´s a shame!!!!
I thought the AMC 1.6 will be more easy than old Atmega 8535 with serial ports and MAx232.

I´ll keep on trying...

thanks buddy

Hi neo2005,
I don't know the old atmega but with Thanos help as you can watch in this post the amc 1.6 works great.
Keep confidence , you will solve your problem with Thanos help!.
Regards

[lj1202]

Hi! Thanos

Why does it work?

http://youtu.be/tzY1hyBQFsA

http://www.youtube.com/watch?v=tzY1hyBQ ... detailpage

[fooons]

Hi! Thanos

Why does it work?

http://youtu.be/tzY1hyBQFsA

http://www.youtube.com/watch?v=tzY1hyBQ ... detailpage

Did you adjust the LCD contrast with the pot? Try to adjust it. Do it slow, because is very sensible.

[lj1202]

Hi! Thanos

Why does it work?

http://youtu.be/tzY1hyBQFsA

http://www.youtube.com/watch?v=tzY1hyBQ ... detailpage

Did you adjust the LCD contrast with the pot? Try to adjust it. Do it slow, because is very sensible.

I did but can't control only on/off work