Openfanhub
About the Openfanhub PCB
Openfanhub is an open source STM32 PCB design by rolo-r, published on GitHub. It is a board, with 69 components from 18 distinct parts.
Its main chip is the STM32F072CBTx, from the STM32 family. Other key parts include the XC6206P332MR, MAX31790ATI_T and USBLC6-2SC6. By type, the board carries 29 resistors, 17 capacitors, 12 modules, 5 ICs, 4 connectors and 1 crystal.
Main components on the Openfanhub
Openfanhub bill of materials (BOM)
69 components, 18 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32F072CBTx | LQFP-48_7x7mm_P0.5mm | U1 |
| 1 | XC6206P332MR | SOT-23-3 | U2 |
| 2 | MAX31790ATI_T | QFN40P400X400X80-29N260X260 | U3, U4 |
| 1 | USBLC6-2SC6 | SOT-23-6 | U5 |
| 12 | Fan_4pin | FanPinHeader_1x04_P2.54mm_Vertical | M1, M2, M3, M4, M5, M6, M7, M8 +4 |
| 1 | 8MHz | Crystal_SMD_5032-2Pin_5.0x3.2mm | Y1 |
| 1 | Conn_ARM_JTAG_SWD_10 | PinHeader_2x05_P1.27mm_Vertical_SMD | J1 |
| 1 | USB | PinHeader_2x05_P2.54mm_Horizontal | J2 |
| 1 | Conn_01x04 | TE_174804-1 | J3 |
| 1 | Conn_01x03 | PinSocket_1x03_P2.54mm_Vertical_SMD_Pin1Left | J4 |
| 1 | WHITE | LED_0603_1608Metric | D1 |
| 8 | 100nF | C_0603_1608Metric | C1, C2, C3, C5, C14, C15, C16, C17 |
| 2 | 4.7uF | C_0805_2012Metric | C4, C6 |
| 3 | 1uF | C_0603_1608Metric | C7, C9, C10 |
| 1 | 10nF | C_0805_2012Metric | C8 |
| 2 | 20pF | C_0603_1608Metric | C11, C12 |
| 1 | 100uF | CP_Elec_6.3x5.4_Nichicon | C13 |
| 29 | 4.7k | R_0603_1608Metric | R1, R2, R3, R4, R5, R6, R7, R8 +21 |
Openfanhub design files
The KiCad project lives in the rolo-r/openfanhub-pcb repository on GitHub; these links point at the commit this page was built from.
- SchematicOpenFanHub.kicad_sch
Openfanhub: common questions
What microcontroller does the Openfanhub use?
The Openfanhub is built around the STM32F072CBTx, from the STM32 family.
How many components are on the Openfanhub?
69 components, from 18 distinct parts. The full bill of materials is listed on this page.
Where can I download the Openfanhub design files?
From the rolo-r/openfanhub-pcb repository on GitHub, which has the schematic; the links under Design files point to each one.
Can I use the Openfanhub design in my own project?
The repository has no license, so all rights stay with rolo-r. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Openfanhub 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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