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2 layers61 × 27.3 mmMotor speed controller, the printed circuit board in 3D

KiCad: 555 timer-based PWM motor speed controller for fume extractor

Size
61 × 27.3 mm
Copper layers
2
Thickness
1.6 mm
Parts
14
Nets
10
Pads
36
Tracks, vias
89, 10
Pours
1
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
16 Sep 2026
Updated
16 Sep 2026

Overview

Motor speed controller is an open-source printed circuit board by Madarakante, from the Madarakante/motor-speed-controller repository on GitHub. It is a 2-layer board of 61 × 27.3 mm with 14 parts on 10 nets, routed with 89 tracks and 10 vias.

It is built around the IRF540N. Its parts include 3 capacitors, 3 resistors, 3 diodes, 2 connectors and 1 IC. It belongs with the robots and motor control boards of this library.

Main components

1

Parts

14
QtyValueFootprintReferences
31N4001Diode_THT:D_DO-41_SOD81_P10.16mm_HorizontalD1, D2, D3
2Screw_Terminal_01x02TerminalBlock:TerminalBlock_MaiXu_MX126-5.0-02P_1x02_P5.00mmJ1, J2
1.01uCapacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mmC3
1.1uCapacitor_THT:CP_Radial_D7.5mm_P2.50mmC1
1100Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P12.70mm_HorizontalR2
11000uCapacitor_THT:CP_Radial_D10.0mm_P5.00mmC2
110kPotentiometer_THT:Potentiometer_Alps_RK163_Single_HorizontalRV1
11kResistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P12.70mm_HorizontalR3
11kResistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P15.24mm_HorizontalR1
1ICM7555xBPackage_DIP:CERDIP-8_W7.62mm_SideBrazed_LongPadsU1
1IRF540NPackage_TO_SOT_THT:TO-220-3_VerticalQ1

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Questions

How big is the Motor speed controller PCB?

It measures 61 × 27.3 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Motor speed controller use?

14 parts, built around the IRF540N. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Motor speed controller KiCad files?

From the Madarakante/motor-speed-controller repository on GitHub, at the commit this page was made from: the board is Motor_Speed_Controller.kicad_pcb and its schematic Motor_Speed_Controller.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Motor speed controller design in my own project?

Its repository states no licence, so its author keeps all rights: ask Madarakante before reusing the design.