Sdu
About the Sdu PCB
Sdu is an open source STM32 PCB design by kajusK, published on GitHub. It is a 2-layer board measuring 107 × 56 mm, with 53 components from 21 distinct parts.
Its main chip is the STM32F042F6Px, from the STM32 family. Other key parts include the TS1117BCW33, MCP2562-E-SN, 74LS47D and SA15-11SRWA. By type, the board carries 23 resistors, 11 capacitors, 7 ICs, 6 transistors, 4 diodes and 1 crystal.
It belongs with the displays & leds designs in this gallery.
From the project
Control and telemetry system for BUT Falcon pneumobil for Aventics Pneumobil competition
Pneumobil control and telemetry system ======================================
This repository contains source code and board design for control system of pneumobil racing car Falcon from Brno University of Technology.
Parts ----- HMI - Human Machine Interface - LCD touch screen and telemetry board ECU - Engine Control Unit - Control system of pneumatic propulsion system SDU - Speed Display Unit PSU - Power Supply Unit * Radio2usb - Telemetry receiving system
Main components on the Sdu
Sdu bill of materials (BOM)
53 components, 21 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TS1117BCW33 | SOT-223-3_TabPin2 | U1 |
| 1 | MCP2562-E-SN | SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 1 | STM32F042F6Px | TSSOP-20_4.4x6.5mm_P0.65mm | U3 |
| 1 | 74LS47D | SOIC-16_3.9x9.9mm_P1.27mm | U4 |
| 3 | SA15-11SRWA | SA15-11 | U5, U6, U7 |
| 3 | BC857 | SOT-23 | Q2, Q3, Q4 |
| 3 | BC847 | SOT-23 | Q5, Q6, Q7 |
| 1 | MCSJK-7U-16.00 | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | SWD | PinHeader_1x05_P2.54mm_Horizontal | J2 |
| 1 | BAT60 | D_SOD-323 | D1 |
| 3 | LED | LED_D5.0mm | D2, D3, D4 |
| 2 | 10u | C_0805_2012Metric | C1, C6 |
| 7 | 100n | C_0805_2012Metric | C2, C3, C4, C5, C7, C8, C9 |
| 2 | 3p9 | C_0805_2012Metric | C10, C11 |
| 1 | 120 | R_0805_2012Metric | R1 |
| 3 | 220 | R_0805_2012Metric | R2, R3, R4 |
| 5 | 10k | R_0805_2012Metric | R5, R6, R16, R17, R18 |
| 7 | 56 | R_0805_2012Metric | R8, R9, R10, R11, R12, R13, R14 |
| 1 | 270 | R_0805_2012Metric | R15 |
| 3 | 100k | R_0805_2012Metric | R19, R21, R23 |
Show 1 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | 3k3 | R_0805_2012Metric | R20, R22, R24 |
Sdu design files
The KiCad project lives in the kajusK/Pneumobil repository on GitHub; these links point at the commit this page was built from.
- Layouthw/sdu/sdu.kicad_pcb
Sdu: common questions
What microcontroller does the Sdu use?
The Sdu is built around the STM32F042F6Px, from the STM32 family.
How big is the Sdu PCB?
The Sdu measures 107 × 56 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Sdu?
53 components, from 21 distinct parts. The full bill of materials is listed on this page.
Where can I download the Sdu design files?
From the kajusK/Pneumobil repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Sdu design in my own project?
The repository has no license, so all rights stay with kajusK. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Sdu without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.
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