
555 timer example
adrianwojcikpp/Microprocessor-system-examples-2022-23
Examples of digital circuits and CLI applications based on Microprocessor systems laboratory classes on Automatic Control and Robotics at the Poznań University of Technology.

Examples of digital circuits and CLI applications based on Microprocessor systems laboratory classes on Automatic Control and Robotics at the Poznań University of Technology.
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.
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
| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 500 | Resistor_SMD:R_0805_2012Metric | R101, R102, R103, R104, R105, R106, R107, R108 |
| 4 | 10k | Resistor_SMD:R_0603_1608Metric | R11, R12, R13, R14 |
| 4 | 1k | Resistor_SMD:R_0805_2012Metric | R1, R2, R3, R4 |
| 4 | HDSP-7501 | Display_7Segment:HDSP-A151 | U1, U2, U3, U4 |
| 4 | Q_PNP_BCE | Package_TO_SOT_SMD:SOT-23 | Q1, Q2, Q3, Q4 |
| 1 | Conn_01x07_Socket | Connector_PinSocket_2.54mm:PinSocket_1x07_P2.54mm_Vertical | J2 |
It measures 53.3 × 54.6 mm and has 2 copper layers, 1.6 mm thick.
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.
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.
Its repository states no licence, so its author keeps all rights: ask adrianwojcikpp before reusing the design.

adrianwojcikpp/Microprocessor-system-examples-2022-23
Examples of digital circuits and CLI applications based on Microprocessor systems laboratory classes on Automatic Control and Robotics at the Poznań University of Technology.

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