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2 layers53.3 × 54.6 mmDisplay example, the printed circuit board in 3D

Examples of digital circuits and CLI applications based on Microprocessor systems laboratory classes on Automatic Control and Robotics at the Poznań University of Technology.

Size
53.3 × 54.6 mm
Copper layers
2
Thickness
1.6 mm
Parts
25
Nets
35
Pads
91
Tracks, vias
208, 15
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
27 Feb 2023
Updated
7 May 2026

Overview

Display example is an open-source printed circuit board by adrianwojcikpp, from the adrianwojcikpp/Microprocessor-system-examples-2022-23 repository on GitHub. It is a 2-layer board of 53.3 × 54.6 mm with 25 parts on 35 nets, routed with 208 tracks and 15 vias.

It is built around the HDSP-7501. Its parts include 16 resistors, 4 ICs, 4 transistors and 1 connector. It belongs with the lEDs and displays boards of this library.

Main components

1

README

README.md

Microprocessor systems exampels

Microprocessor systems (I) laboratory classes exampels

Examples of digital circuits and CLI applications based on Microprocessor systems laboratory classes on Automatic Control and Robotics at the Poznań University of Technology.

For editing '.circ' files use Logisim 2.7.0: http://www.cburch.com/logisim/index.html or Logisim Evolution: https://github.com/logisim-evolution/logisim-evolution

Parts

25
QtyValueFootprintReferences
8500Resistor_SMD:R_0805_2012MetricR101, R102, R103, R104, R105, R106, R107, R108
410kResistor_SMD:R_0603_1608MetricR11, R12, R13, R14
41kResistor_SMD:R_0805_2012MetricR1, R2, R3, R4
4HDSP-7501Display_7Segment:HDSP-A151U1, U2, U3, U4
4Q_PNP_BCEPackage_TO_SOT_SMD:SOT-23Q1, Q2, Q3, Q4
1Conn_01x07_SocketConnector_PinSocket_2.54mm:PinSocket_1x07_P2.54mm_VerticalJ2

Questions

How big is the Display example PCB?

It measures 53.3 × 54.6 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Display example use?

25 parts, built around the HDSP-7501. 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 Display example KiCad files?

From the adrianwojcikpp/Microprocessor-system-examples-2022-23 repository on GitHub, at the commit this page was made from: the board is FT/kicad/Display Example/Display_example.kicad_pcb and its schematic FT/kicad/555 Timer Example/555_timer_example.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Display example design in my own project?

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

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1
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    6 parts

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