DC Speed controller PWM avarage voltage controlled load

1 year ago

Open source license: Public Domain

  • 3.2w
  • 6
  • 34


EN Using a 555 timer and a mosfet to control the speed of a DC motor with a potentiometer. Video here https://www.youtube.com/watch?v=5nwNKPs2gco

ES Usando un circuito integrado 555 y un mosfet para controlar la velocidad de un motor DC con la ayuda de un potenciometro. Video aquí https://www.youtube.com/watch?v=Q2N2OEicXJE


PCB - DC speed controller

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ID Name Designator Footprint Quantity
1 10ef6812c442bf476dd26c0c12f96e15 U1 DIP-8 1
2 2191314250ed43a796b57d45825575c3 R1,R2 AXIAL-0.3 2
3 994f4acf33ff4e66aaa5dbbeb5e3fa4f C1,C2 RAD-0.1 2
4 1f840c1ab0fc8dd5c06f5170f6febdd2 D1,D2 DO-35 2
5 1f840c1ab0fc8dd5c06f5170f6febdd2 D3 DIODE 1
6 26b4dd14c9e6439491079f4078a94cd1 Q1 ONSC-TO-263-2L-3_V 1
7 abeb3ac8380d4ae5bca79c763991ed57 100K POTENTIOMETER 1
8 78510b8e32e64d8aac288ec6f8151284 J1 TERMINAL_BLOCK_2P_5 1
9 11baaef464894ea5a7ddd0ea461e5e41 LED1 LED-5MM/2.54 1
10 2191314250ed43a796b57d45825575c3 R3 AXIAL-0.3 1
11 73cf4db60ff344f8a415b734dfaec7a1 C3 CAP-D3.0XF1.5 1


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All comments 6

Samy Touzene

Thanks for the sharing, however I have a personal project which I made some times ago that allow to pilot at a higher frequency & with bigger mosfets ;), I can share that with you.

Please contact me if you're interested in this project.

2019-10-24 22:06:01

Acacia Hary

DC speed controller you share very well and with many attractive features. I appreciate this controller.
vex 3

2019-05-09 04:27:29


There are so many ways to control DC motors speed but a very
simple and basic step is using pulse width modulation. The main thing is in a
DC motor  which consist in two parts, if
the body is in rest of the motor is known as Stator and the other main thing is
rotor which work to rotates and producing the movement. I am engineering student
and know little bit things about it and now I am going to complete my uk cipd
writing works then share more detail about dc motors here. Finally
I can say that DC motors are really great in their efficiency and working.

2019-04-23 09:54:02


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2019-03-05 06:12:03


@faradeath Esta diseñada para dos capas, tendrías que modificar el diseño para dejarla en una sola capa.

2019-02-25 07:59:55

Yasser Farabundo Quezada espinoza

como lo imprimo en una sola cara la pcb

2019-02-23 09:08:25


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