Rev2.1
About the Rev2.1 PCB
Rev2.1 is an open source STM32 PCB design by WilliamLim781, published on GitHub. It is a 4-layer board measuring 91.8 × 94.5 mm, with 116 components from 53 distinct parts.
Its main chip is the C84808, from the STM32 family. Other key parts include the C7432801, C2891839, C481766, C2827693 and C629432. By type, the board carries 46 resistors, 35 capacitors, 16 connectors, 11 ICs, 3 crystals and 2 switches.
Main components on the Rev2.1
Rev2.1 bill of materials (BOM)
116 components, 53 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | C84808 STM32F429ZITx | LQFP-144_20x20mm_P0.5mm | U1 |
| 2 | C7432801 TJA1051T | SOIC-8_3.9x4.9mm_P1.27mm | U2, U4 |
| 1 | C2891839 AMS1117-3.3 | SOT-223-3_TabPin2 | U3 |
| 1 | C481766 ~ | LGA-14_3x2.5mm_P0.5mm_LayoutBorder3x4y | U5 |
| 2 | C2827693 USBLC6-2P6(ESD protection) | SOT-666 | U6, U10 |
| 1 | C629432 MCP2200T-I-SO | SOIC-20W_7.5x12.8mm_P1.27mm | U7 |
| 1 | C220794 LAN8742A | VQFN-24-1EP_4x4mm_P0.5mm_EP2.5x2.5mm_ThermalVias | U8 |
| 1 | C135998 STMPS2151STR(Current protection) | SOT-23-5_HandSoldering | U9 |
| 1 | C252436 USBLC6-4SC6 | SOT-23-6 | U12 |
| 1 | 12MHZ 12MHz | Crystal_SMD_3225-4Pin_3.2x2.5mm_HandSoldering | Y1 |
| 1 | 16MHZ 16MHz | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y2 |
| 1 | 25MHZ 25Mhz | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y3 |
| 2 | Termination | PinHeader_1x02_P2.54mm_Vertical | J1, J3 |
| 1 | CAN2 | TerminalBlock_Phoenix_MPT-0,5-2-2.54_1x02_P2.54mm_Horizontal | J2 |
| 1 | CAN1 | TerminalBlock_Phoenix_MPT-0,5-2-2.54_1x02_P2.54mm_Horizontal | J4 |
| 1 | SWD | PinHeader_1x03_P2.54mm_Vertical | J5 |
| 1 | USB_OTG | USB_Mini-B_Wuerth_65100516121_Horizontal | J6 |
| 1 | GPIO1 | TerminalBlock_Phoenix_MKDS-1,5-4_1x04_P5.00mm_Horizontal | J7 |
| 1 | LIN Pots | TerminalBlock_Phoenix_MKDS-1,5-4_1x04_P5.00mm_Horizontal | J8 |
| 1 | AIN | TerminalBlock_Phoenix_MKDS-1,5-4_1x04_P5.00mm_Horizontal | J9 |
Show 33 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CONN_01X08_PIN Conn_01x08_Pin | PinHeader_1x08_P2.54mm_Vertical | J10 |
| 1 | 3.3V power breakout | PinHeader_1x02_P2.54mm_Vertical | J11 |
| 1 | 5V power breakout | PinHeader_1x02_P2.54mm_Vertical | J12 |
| 1 | 8P8C_LED | RJ45_Amphenol_RJHSE538X | J13 |
| 1 | GPIO2 | TerminalBlock_Phoenix_MKDS-1,5-4_1x04_P5.00mm_Horizontal | J14 |
| 1 | USART6 | PinHeader_1x03_P2.54mm_Vertical | J15 |
| 1 | USB_C_PLUG_USB2.0 USB_C_Plug_USB2.0 | USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | P2 |
| 1 | C221841 SW_SPDT | SW_SPDT_PCM12 | SW3 |
| 1 | SW_Push | SW_SPST_PTS645 | SW5 |
| 1 | C18584 H1102NLT | XFMR_H1102NLT | T1 |
| 2 | C72038 LED | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1, D2 |
| 21 | C14663 100n | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2, C5, C8, C11, C12, C23, C24 +13 |
| 2 | C282508 6p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3, C4 |
| 1 | C1620 470p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C6 |
| 2 | C15849 1u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C7, C44 |
| 2 | C1653 22p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C9, C10 |
| 1 | C96446 10u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C26 |
| 2 | C282076 9p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C27, C31 |
| 2 | C23630 2.2u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C29, C30 |
| 1 | C59461 22u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C32 |
| 1 | C19666 4.7u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C42 |
| 2 | C22787 120 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2 |
| 15 | C25804 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R9, R10, R11, R12, R13, R14, R15 +7 |
| 1 | 0 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4 |
| 1 | C509091 4k7 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5 |
| 4 | C4190 2k2 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R6, R7, R45, R46 |
| 1 | C23186 5k1 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R8 |
| 8 | C23189 5k6 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R17, R18, R19, R20, R21, R22, R23, R24 |
| 4 | C4275 75 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R25, R26, R27, R28 |
| 2 | C22966 270 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R29, R30 |
| 4 | C849792 50 | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R31, R32, R33, R34 |
| 1 | C305156 12k1 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R35 |
| 3 | C23140 33 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R38, R43, R44 |
Rev2.1 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.
- LayoutRev2.1/Rev2.1.kicad_pcb
- SchematicRev2.1/Rev2.1.kicad_sch
- BOMRev2.1/BOM/BOM.csv
Rev2.1: common questions
What microcontroller does the Rev2.1 use?
The Rev2.1 is built around the C84808, from the STM32 family.
How big is the Rev2.1 PCB?
The Rev2.1 measures 91.8 × 94.5 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Rev2.1?
116 components, from 53 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 Rev2.1 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 Rev2.1 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 Rev2.1 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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