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Old Mar 24, 2005, 05:14 AM
lanre is offline
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cold you post a diagram of the hall sensor?
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Old Mar 26, 2005, 10:21 AM
Rajesh L G is offline
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That reminds me, I had seen that there was a mistake in the hall sensor wiring in the datasheet. The connection from Hall2 and 3 to the resistor from Vcc is missing in the datasheet. Hall1 is hooked up correctly. Guess this was what your question was about.

Rajesh
Old Mar 26, 2005, 01:37 PM
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Rajesh,
what i ment was how do i identifiy the position of the pin on the hall sensor
And thanks for the correction

lanre
Old Mar 29, 2005, 02:45 PM
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view the data sheet of the ic
Last edited by lanre; Apr 16, 2005 at 01:00 PM.
Old May 04, 2005, 12:36 PM
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plz can you tell e which of the folloiung is going to the signal point on the reseiver? And on the datersheet you suppliy the motor power seperat how do i do it?
Old May 05, 2005, 02:45 AM
Rajesh L G is offline
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The terminal marked JMP is the one going to rx. It goes to the mosfet where you would normally connect the motor.

The battery is directly connected to Vm. Vcc needs to be around 5V, so you need a regulator. The current needed is very low, so you can use any light weight regulator or even a zener.

-- Rajesh
Old May 05, 2005, 12:25 PM
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i dont undersatnd it cos i have a 2 channel rx but i dont know how to conect it

---lanre
Old May 06, 2005, 03:36 AM
Rajesh L G is offline
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lanre,

It would be better if you describe what kind of receiver you have and what its outputs are.

The circuit I gave works for receivers with built in ESC with PWM rate in kHz range. If you have something else, you might need to redesign the low pass filter. Basically what you need is a differential signal proportional to the throttle applied between EC and ECR pins. If you need more help, you need to give details about your rx.

-- Rajesh
Old May 14, 2005, 12:42 PM
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well my receiver dose not have a built in ESC
Old Dec 11, 2005, 06:16 PM
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Quote:
Originally Posted by Zlatko
Thanks Rajesh,
Fair enough about the PIC based brushless ESC. I guess I can dream
The controller chip from my HD is a Texas Instruments TLS2251 , I googled and searched TIs site but no joy. Does anyone know more about this chip?
Cheers
Try AllDatasheet.com.

www.alldatasheet.com

Me, I'm looking for a new power-FET for a UPS and a decent ESC I can build into a rebuilt computer fan. I would like to build a decent fan for, maybe, an F-18 EDF jet. ...that and have me a high-powered (1400VA) UPS. 4 IRFZ-46's are used in the inverter for this thing, and they've all blown!
Old Mar 21, 2007, 12:55 PM
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rewound CD-ROM motors


Hi, I am new around here. I was wondering if this controller would work with rewound CD-ROM motors like the ones you can find at https://www.rcgroups.com/forums/show...87&postcount=4.

If not, does anybody know how to simply modify the controller in order to make it able to do so?

thanks,
Rafael


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