X83-kb
About the X83-kb PCB
X83-kb is an open source STM32 PCB design by scottcjx, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 315 × 130 mm, with 180 components from 7 distinct parts.
Its main chip is the STM32F072RBTx, from the STM32 family. Other key parts include the AMS1117-3.3. By type, the board carries 83 switches, 83 diodes, 10 capacitors, 2 ICs and 2 resistors.
It belongs with the keyboards designs in this gallery.
Main components on the X83-kb
X83-kb bill of materials (BOM)
180 components, 7 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U101 |
| 1 | STM32F072RBTx | LQFP-64_10x10mm_P0.5mm | U102 |
| 83 | ~ | SW_OPT_MX | SW201, SW202, SW203, SW204, SW205, SW206, SW207, SW208 +75 |
| 83 | D | D_SOD-123 | D201, D202, D203, D204, D205, D206, D207, D208 +75 |
| 3 | 2u2 | C_0805_2012Metric | C101, C102, C109 |
| 7 | 100n | C_0603_1608Metric | C103, C104, C105, C106, C107, C108, C110 |
| 2 | 10K | R_0603_1608Metric | R101, R102 |
X83-kb design files
The KiCad project lives in the scottcjx/x83-keyboard repository on GitHub; these links point at the commit this page was built from.
- LayoutHDK/x83-kb.kicad_pcb
- SchematicHDK/x83-kb.kicad_sch
X83-kb: common questions
What microcontroller does the X83-kb use?
The X83-kb is built around the STM32F072RBTx, from the STM32 family.
How big is the X83-kb PCB?
The X83-kb measures 315 × 130 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the X83-kb?
180 components, from 7 distinct parts. The full bill of materials is listed on this page.
Where can I download the X83-kb design files?
From the scottcjx/x83-keyboard repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the X83-kb design in my own project?
Yes, under the terms of its GPL-3.0 license, which scottcjx chose for the repository.
Can I test firmware for the X83-kb 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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