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2 layers142 × 70 mmGenerator pcb, the printed circuit board in 3D

This repository contains the PCB design for a DC motor test stand.

Size
142 × 70 mm
Copper layers
2
Thickness
1.6 mm
Parts
31
Nets
25
Pads
89
Tracks, vias
119, 16
Pours
2
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
3 May 2026
Updated
11 May 2026

Overview

Generator pcb is an open-source printed circuit board by tkqa1ex, from the tkqa1ex/motor-test-stand-pcb repository on GitHub. It is a 2-layer board of 142 × 70 mm with 31 parts on 25 nets, routed with 119 tracks and 16 vias.

Its parts include 16 resistors, 6 transistors, 3 capacitors, 2 ICs and 2 connectors.

README

README.md

Motor Test Stand PCB

This repository contains the PCB design for a DC motor test stand.

Features

  • Current measurement (INA219 / ACS758)
  • Temperature sensing (TMP117)
  • Microcontroller interface (Arduino)

Project Goal

Measure torque, efficiency, and electrical parameters of a DC motor using a generator-based load system.

Files

  • /pcb → PCB layout
  • /schematic → circuit design
  • /gerbers → manufacturing files

Parts

31
QtyValueFootprintReferences
6100Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR6, R7, R8, R9, R10, R15
640kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR1, R16, R17, R18, R19, R20
5NMOSPackage_TO_SOT_THT:TO-220-3_VerticalQ6, Q7, Q8, Q9, Q10
20.1uCapacitor_THT:CP_Radial_D10.0mm_P5.00mmC2, C4
10.5Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontalshunt_R1
110kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR11
110uCapacitor_THT:CP_Radial_D10.0mm_P5.00mmC3
11kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR14
12kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR13
15kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR12
1Conn_01x02Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalJ2
1Conn_02x05_Odd_EvenConnector_PinHeader_2.54mm:PinHeader_2x05_P2.54mm_VerticalJ1
1DDiode_THT:D_DO-41_SOD81_P10.16mm_HorizontalD1
1INA219BxDCNPackage_TO_SOT_SMD:SOT-23-8U3
1PMOSPackage_TO_SOT_THT:TO-220-3_VerticalQ1
1TMP117xxDRVPackage_SON:WSON-6-1EP_2x2mm_P0.65mm_EP1x1.6mmU2

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Questions

How big is the Generator pcb PCB?

It measures 142 × 70 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Generator pcb use?

31 parts. 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 Generator pcb KiCad files?

From the tkqa1ex/motor-test-stand-pcb repository on GitHub, at the commit this page was made from: the board is generator-pcb.kicad_pcb and its schematic control-board/motor-pcb.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Generator pcb design in my own project?

Its repository states no licence, so its author keeps all rights: ask tkqa1ex before reusing the design.