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Old Dec 03, 2013, 10:19 PM
4000 posts?!
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United States, TX, Fort Worth
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Congrats, Chris, that is quite an achievement. Fantastic work!

Nick
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Old Dec 06, 2013, 04:30 PM
Micro Jet Pilot
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Joined Jul 2005
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Thank you! My new 4-axis cnc machine
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Old Dec 06, 2013, 11:58 PM
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Hampton, VA
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You'll be dangerous now. Don't crank'em out too fast. Congrats!

Ksqm
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Old Apr 25, 2014, 04:02 AM
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Hi I have question about the controller the sensorless
have someone a ciruit from this controller ?
so want to build this post
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Old Apr 29, 2014, 03:56 AM
Micro Jet Pilot
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Joined Jul 2005
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joepie, I will work on the electronics again soon. Probably, I will give away some controllers for testing again There is no information published about this controller. The secret is more in the software than in the circuit itself Since I ran into the startup problems myself with the latest motor, I probably will be able to improve the controller so it runs with different setups as well.

Chris

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Old May 02, 2014, 09:18 AM
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Quote:
Originally Posted by Chris T View Post
joepie, I will work on the electronics again soon. Probably, I will give away some controllers for testing again There is no information published about this controller. The secret is more in the software than in the circuit itself Since I ran into the startup problems myself with the latest motor, I probably will be able to improve the controller so it runs with different setups as well.

Chris

Chris
Ok Chris i have a question about you controller have this 2 pwm input
to the A3903 ?

i have see a pcb from you and see 1 input ?

i have build a controller from Japan see link the motor drive with a bd6211 and a 12f683 full speed but it does not work properly and works with a hall sensor !

http://www.kyoto.zaq.ne.jp/tkd/testmemo.htm

have great interest to design and you think the engine a better turn Chris
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Old Jun 04, 2014, 06:30 AM
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Deutschland, BW, Friedrichshafen
Joined Dec 2001
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Amazing Chris!

Any links to the 3 D print company that can do 0,1mm steps!?

regards Martin
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Old Jul 07, 2014, 09:40 PM
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Joined Jul 2014
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Question for your product

Chris,
It was really nice to see your beautiful work.
My question is: Can I buy your product or design through the website? especially for the 10mm ducted fan unit.
That will be really helpful for my work.
Please let me know what should i do.

Thank you.

Ryan
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