Rev2
About the Rev2 PCB
Rev2 is an open source STM32 PCB design by WilliamLim781, published on GitHub. It is a 4-layer board measuring 49.9 × 49.8 mm, with 49 components from 31 distinct parts.
Its main chip is the C84808, from the STM32 family. Other key parts include the C5342108, C481766, C6186 and C135998. By type, the board carries 24 capacitors, 12 connectors, 6 ICs, 4 resistors, 2 switches and 1 crystal.
Main components on the Rev2
Rev2 bill of materials (BOM)
49 components, 31 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | C84808 STM32F429ZITx | LQFP-144_20x20mm_P0.5mm | U1 |
| 2 | C5342108 TJA1051T | SOIC-8_3.9x4.9mm_P1.27mm | U2, U3 |
| 1 | C481766 ~ | Bosch_LGA-14_3x2.5mm_P0.5mm | U4 |
| 1 | C6186 AMS1117-3.3 | SOT-223-3_TabPin2 | U5 |
| 1 | C135998 ~ | SOT-23-5_HandSoldering | U6 |
| 1 | 16MHZ 16MHz | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 2 | Termination | PinHeader_1x02_P2.54mm_Vertical | J1, J3 |
| 1 | CAN1 | TerminalBlock_Phoenix_MPT-0,5-2-2.54_1x02_P2.54mm_Horizontal | J2 |
| 1 | CAN2 | TerminalBlock_Phoenix_MPT-0,5-2-2.54_1x02_P2.54mm_Horizontal | J4 |
| 1 | 3.3V power breakout | PinHeader_1x02_P2.54mm_Vertical | J5 |
| 1 | LIN Pots | TerminalBlock_Phoenix_MPT-0,5-4-2.54_1x04_P2.54mm_Horizontal | J6 |
| 1 | AIN | TerminalBlock_Phoenix_MPT-0,5-4-2.54_1x04_P2.54mm_Horizontal | J7 |
| 1 | USB_OTG | USB_Mini-B_Wuerth_65100516121_Horizontal | J8 |
| 1 | PWR_USB | USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J9 |
| 1 | GPIO | TerminalBlock_Phoenix_MPT-0,5-8-2.54_1x08_P2.54mm_Horizontal | J10 |
| 1 | SWD | PinHeader_1x03_P2.54mm_Vertical | J11 |
| 1 | 5V power breakout | PinHeader_1x02_P2.54mm_Vertical | J12 |
| 1 | SW_Push | SW_SPST_PTS645 | SW1 |
| 1 | SW_SPDT | SW_SPDT_PCM12 | SW2 |
| 2 | C76612 2.2u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C21, C22 |
Show 11 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | C76612 C | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C23 |
| 2 | C88219 100n | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C24, C48 |
| 2 | C282512 9p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C26, C27 |
| 1 | C91150 10u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C28 |
| 1 | C84419 22u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C29 |
| 13 | 100n | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C30, C31, C32, C33, C38, C39, C40, C41 +5 |
| 1 | C86016 4.7u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C47 |
| 1 | C76617 1u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C49 |
| 1 | C191124 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1 |
| 1 | 0 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3 |
| 2 | C177673 120 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4, R5 |
Rev2 design files
The KiCad project lives in the WilliamLim781/PCB_practice repository on GitHub; these links point at the commit this page was built from.
- Layoutrev2/rev2.kicad_pcb
- Schematicrev2/rev2.kicad_sch
- BOMrev2/manufacturing/BOM.xlsx
Rev2: common questions
What microcontroller does the Rev2 use?
The Rev2 is built around the C84808, from the STM32 family.
How big is the Rev2 PCB?
The Rev2 measures 49.9 × 49.8 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Rev2?
49 components, from 31 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Rev2 design files?
From the WilliamLim781/PCB_practice repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Rev2 design in my own project?
The repository has no license, so all rights stay with WilliamLim781. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Rev2 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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