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Sonsivri > Electronics > Pic C Languages (Moderator: o2) > i want to make servo reverser?
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huat
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« on: January 07, 2008, 07:06:34 19:06 »
how do i make servo reverser with 12f510?

please advice me. thank Smiley Smiley Smiley
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localcrack
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« Reply #1 on: January 07, 2008, 07:24:57 19:24 »
I don't understand what you want please clerify
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kcwcc
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« Reply #2 on: January 07, 2008, 07:36:30 19:36 »
sounds like a homework assignment to me...
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huat
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« Reply #3 on: January 07, 2008, 07:59:55 19:59 »
 Grin Grin Grin
i want to make circutit for rear steering of my radio control car .

i want to make servo reverser (that mean right to left and also left to right) propotional of front steering .

circuit need tirm for center rear steering and percent of propotional of front steering

please show me sample code to set register of 12f510

thank you  Smiley Smiley Smiley
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localcrack
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« Reply #4 on: January 07, 2008, 08:34:08 20:34 »
please check the link
http://elm-chan.org/works/smc/report_e.html
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hemlig
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« Reply #5 on: January 08, 2008, 12:13:07 12:13 »
I would disassemble the servo and reverse the connections to the motor and the cables on the pot.
This would reverse the servo without any external circuits and you can then use the same input for
them both.
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Futterama
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« Reply #6 on: January 08, 2008, 03:24:58 15:24 »
hemlig got a good point. If it's only because your RC car turns the wrong way, his suggestion would be the easiest.

Do you mean you will make the car steer on the rear wheels as well as the front wheels?
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jzaghal
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« Reply #7 on: January 11, 2008, 05:59:52 17:59 »
Hi,

It is not matter of setting a register.

I would use a DPDT relay driven using a transistor switch,( Servo power wired to the

common of the contacts.) that is activated using

a pin set to be o/p.

Then when you need to reverse the servo, simply enable that port.

Hope I am clear.

Good Luck.
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jaykhan
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« Reply #8 on: January 12, 2008, 01:40:24 13:40 »
If its a general servo motor the direction can be controlled by the pulse width from the MCU very easily.
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jzaghal
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« Reply #9 on: January 13, 2008, 05:09:05 17:09 »
Hello,

You are right in this case the type of pulse will control direction.

Search for Servo control on the internet.

Bye.
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mrwinch
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« Reply #10 on: March 02, 2008, 12:15:20 12:15 »
I've work with servo motion/recognition with dspic but not with 12f510: with an mcu it's easy to implement. Receiver send to servo an high signal with a length between 900 and 2100us (1500us is centered servo arm): this signal is sent approximately, 50 times per seconds. If you want to do implement a servo reverser, just read receiver signal and generate the opposite signal.
For example, if you read a signal of 1250 microsecond, you opposite is 1750 us (1500-1250=250+1500=1750)
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SGordon
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« Reply #11 on: March 03, 2008, 02:14:19 14:14 »
Do your see this page? http://www.rcgroups.com/forums/showthread.php?t=228105

many helpful links!
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