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DC motor speed controller

maker_9vnkrmwi_1661700821

Aug 28, 2022
4
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Aug 28, 2022
Messages
4
Hi, I'm very new here ,i have trouble for connecting this board. Maybe some one can help me out on this.
* Where do i connect battery power?
* Where do i connect output motor?
* Where do i connect electronic throttle? (with permanent magnet)
* Where do i connect the power switch?

Hope some one can figure this out.
Thanx in advance
 

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Minder

Apr 24, 2015
3,478
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Apr 24, 2015
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3,478
Looks suspiciously like a DIY board someone put together using one of the Chinese PCB Manuf. for the bare board.
 

kellys_eye

Jun 25, 2010
6,514
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Jun 25, 2010
Messages
6,514
Blue wire is supply +ve (common to board and motor so use heavy duty wire).
White wire goes to motor +ve (heavy duty wire needed)
Black wire goes to motor -ve and supply -ve (heavy duty wires again)

The speed controller (potentiometer) though.......... anyone?
 

maker_9vnkrmwi_1661700821

Aug 28, 2022
4
Joined
Aug 28, 2022
Messages
4
Blue wire is supply +ve (common to board and motor so use heavy duty wire).
White wire goes to motor +ve (heavy duty wire needed)
Black wire goes to motor -ve and supply -ve (heavy duty wires again)

The speed controller (potentiometer) though.......... anyone?
Thanx ,
Well throttle,i need power supply and a signal wire i guess. So green it will be... there are 2 greens, so i guess 1 will be throttle signal and the other for power switch?
 

maker_9vnkrmwi_1661700821

Aug 28, 2022
4
Joined
Aug 28, 2022
Messages
4
Missing IC?
Oh were the red black green cable are you mean...always been cables and it worked before.
IC chip is present HA17339..
Thanx ,
Well throttle,i need power supply and a signal wire i guess. So green it will be... there are 2 greens, so i guess 1 will be throttle signal and the other for
Thanx ,
Well throttle,i need power supply and a signal wire i guess. So green it will be... there are 2 greens, so i guess 1 will be throttle signal and the other for power switch?
Yeah,i need to switch it on before i can meassure my v
Thanx ,
Well throttle,i need power supply and a signal wire i guess. So green it will be... there are 2 greens, so i guess 1 will be throttle signal and the other for power switch?

oltage for throttle...
Thanx ,
Well throttle,i need power supply and a signal wire i guess. So green it will be... there are 2 greens, so i guess 1 will be throttle signal and the other for power switch?
Yeah,i need to switch it on before i can meassure my voltage for throttle...
 

Minder

Apr 24, 2015
3,478
Joined
Apr 24, 2015
Messages
3,478
It seems as though the speed signal (PWM?) will be an external signal as all that is on the board is a quad comparator IC and a couple of power IC's.
 

Bluejets

Oct 5, 2014
6,901
Joined
Oct 5, 2014
Messages
6,901
Whole shebang probably not worth the effort given the low cost of complete pwm dc motor controllers on the internet.
 
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