STM32F042F6P6
jay94ks·elecdev·stm32/f042f6/STM32F042F6P6.kicad_pcb
About the STM32F042F6P6 PCB
STM32F042F6P6 is an open source STM32 PCB design by jay94ks, published on GitHub under the MIT license. It is a 2-layer board measuring 22.9 × 25.5 mm, with 23 components from 19 distinct parts.
Its main chip is the STM32F042F6Px, from the STM32 family. Other key parts include the XC6220B331MR. By type, the board carries 8 capacitors, 6 resistors, 4 connectors, 3 diodes and 2 ICs.
It belongs with the dev boards & breakouts designs in this gallery.
From the project
My own custom development boards

Main components on the STM32F042F6P6
STM32F042F6P6 bill of materials (BOM)
23 components, 19 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | XC6220B331MR | SOT-23-5 | U1 |
| 1 | STM32F042F6Px | TSSOP-20_4.4x6.5mm_P0.65mm | U2 |
| 1 | USB_C_REC_16PIN | USB_C_Receptacle_Palconn_UTC16-G | J1 |
| 1 | STLINK | PinHeader_1x04_P2.54mm_Horizontal | J2 |
| 1 | L | PinHeader_1x10_P2.54mm_Vertical | J3 |
| 1 | R | PinHeader_1x10_P2.54mm_Vertical | J4 |
| 1 | 1N5819WS | D_SOD-323 | D1 |
| 1 | 1N5819WS | D_SOD-323_HandSoldering | D2 |
| 1 | LED | LED_0603_1608Metric | D3 |
| 1 | 4.7nF | C_0603_1608Metric | C1 |
| 2 | 10uF | C_0603_1608Metric | C2, C5 |
| 3 | 100nF | C_0603_1608Metric | C6, C7, C9 |
| 1 | 4.7uF | C_0603_1608Metric | C8 |
| 1 | 1uF | C_0603_1608Metric | C10 |
| 1 | 56k | R_0603_1608Metric | R1 |
| 1 | 10k | R_0603_1608Metric | R2 |
| 2 | 5.1k | R_0603_1608Metric | R3, R4 |
| 1 | 100k | R_0603_1608Metric | R5 |
| 1 | 1k | R_0603_1608Metric | R8 |
STM32F042F6P6 design files
The KiCad project lives in the jay94ks/elecdev repository on GitHub; these links point at the commit this page was built from.
STM32F042F6P6: common questions
What microcontroller does the STM32F042F6P6 use?
The STM32F042F6P6 is built around the STM32F042F6Px, from the STM32 family.
How big is the STM32F042F6P6 PCB?
The STM32F042F6P6 measures 22.9 × 25.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the STM32F042F6P6?
23 components, from 19 distinct parts. The full bill of materials is listed on this page.
Where can I download the STM32F042F6P6 design files?
From the jay94ks/elecdev repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the STM32F042F6P6 design in my own project?
Yes, under the terms of its MIT license, which jay94ks chose for the repository.
Can I test firmware for the STM32F042F6P6 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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