The PETER keyboard STM
About the The PETER keyboard STM PCB
The PETER keyboard STM is an open source STM32 PCB design by calvin-mcd, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 243.3 × 95.4 mm, with 77 components from 13 distinct parts.
Its main chip is the STM32F072C8TX, from the STM32 family. Other key parts include the XC6206PXXXMR-REGULATOR_LINEAR and USBLC6-2SC6. By type, the board carries 58 diodes, 9 capacitors, 3 ICs, 3 resistors, 1 connector and 1 fuse.
It belongs with the keyboards designs in this gallery.
From the project
compact 60ish keyboard inspired by the 40s formfactor
compact 60ish keyboard inspired by 40s layouts & formfactors
I designed this keyboard after asking my friend Peter what his ideal keyboard would be. His answer was:"Ehm... I like numbers!". So I tried to make a board that keeps the functionality of a 60% keyboard while offering it in a 40s inspired form factor.
It takes inspiration from ai03’s UT47.2 and EODesigns\#4352’s Humble40 as well as trash man\#6005’s v4n4g0n and NoahK\#1290’s Monorail pcbs.
Main components on the The PETER keyboard STM
The PETER keyboard STM bill of materials (BOM)
77 components, 13 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32F072C8TX STM32F072C8Tx | LQFP-48_7x7mm_P0.5mm | U2 |
| 1 | XC6206PXXXMR-REGULATOR_LINEAR XC6206PxxxMR-Regulator_Linear | SOT-23 | U3 |
| 1 | USBLC6-2SC6 | SOT-23-6 | U4 |
| 1 | USB_C_RECEPTACLE_USB2.0 USB_C_Receptacle_USB2.0 | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J3 |
| 1 | SMF9.0CA | D_SOD-123 | D_PWR1 |
| 1 | 500MA 500mA | Fuse_1206_3216Metric | F1 |
| 1 | SKQGABE010 | SW_Push_SPST_NO_Alps_SKRK | SW3 |
| 58 | C64898 D_Small | D_SOD-123F | D1, D2, D3, D4, D5, D6, D7, D8 +50 |
| 6 | 100NF 100nF | C_0402_1005Metric | C1, C2, C3, C4, C5, C7 |
| 1 | 10UF 10uF | C_0402_1005Metric | C6 |
| 2 | 1UF 1uF | C_0402_1005Metric | C8, C9 |
| 1 | 10K 10k | R_0402_1005Metric | R1 |
| 2 | 5K1 5k1 | R_0402_1005Metric | R2, R3 |
The PETER keyboard STM design files
The KiCad project lives in the calvin-mcd/the-PETER-keyboard repository on GitHub; these links point at the commit this page was built from.
The PETER keyboard STM: common questions
What microcontroller does the The PETER keyboard STM use?
The The PETER keyboard STM is built around the STM32F072C8TX, from the STM32 family.
How big is the The PETER keyboard STM PCB?
The The PETER keyboard STM measures 243.3 × 95.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the The PETER keyboard STM?
77 components, from 13 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 The PETER keyboard STM design files?
From the calvin-mcd/the-PETER-keyboard 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 The PETER keyboard STM design in my own project?
Yes, under the terms of its GPL-3.0 license, which calvin-mcd chose for the repository.
Can I test firmware for the The PETER keyboard STM 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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