PZO System
nirim000·PZO_System·Keeb/keeb.kicad_pcb
About the PZO System PCB
PZO System is an open source PCB design by nirim000, published on GitHub. It is a 4-layer board measuring 110 × 100 mm, with 62 components from 11 distinct parts.
Other key parts include the YAAJ_WeAct_BlackPill_Part_Like_SWD_Breakout, PCA9505DGG,118 and JOYSTICK. By type, the board carries 17 switches, 17 capacitors, 16 LEDs, 8 jumpers, 3 ICs and 1 connector.
It belongs with the keyboards designs in this gallery.
From the project
Potato Zone Optimizer, Modular mechanical keyboard system.
FW:https://github.com/nirim000/qmk_firmware
Schematic covered under, Attribution 4.0 International (CC BY 4.0)
PCB covered under, Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)

Main components on the PZO System
PZO System bill of materials (BOM)
62 components, 11 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | YAAJ_WeAct_BlackPill_Part_Like_SWD_Breakout | YAAJ_WeAct_BlackPill_2 | U1 |
| 1 | PCA9505DGG,118 | SOP50P810X120-56N | U2 |
| 1 | JOYSTICK | JOYSTICK_S | U3 |
| 1 | USB_C_Receptacle | USB_C_Receptacle_Amphenol_12401610E4-2A | J2 |
| 6 | SolderJumper_3_Open | SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels | JP1, JP2, JP3, JP6, JP7, JP8 |
| 2 | SolderJumper_2_Open | SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP4, JP5 |
| 2 | RotaryEncoder_Switch | ROTARY_ENC_PLAIN | SW1, SW2 |
| 15 | ~ | SW_Gateron_SK-9_1.00u_Plate_Pin_Sockets | SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10 +7 |
| 1 | SSD1306 | 128x64OLED | Brd1 |
| 15 | ~ | LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8 +7 |
| 17 | 100pf | C_0805_2012Metric | C1, C2, C3, C4, C5, C6, C7, C8 +9 |
PZO System design files
The KiCad project lives in the nirim000/PZO_System repository on GitHub; these links point at the commit this page was built from.
- LayoutKeeb/keeb.kicad_pcb
- SchematicKeeb/keeb.kicad_sch
PZO System: common questions
How big is the PZO System PCB?
The PZO System measures 110 × 100 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the PZO System?
62 components, from 11 distinct parts. The full bill of materials is listed on this page.
Where can I download the PZO System design files?
From the nirim000/PZO_System repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the PZO System design in my own project?
The repository has no license, so all rights stay with nirim000. Use it as a reference, and ask the author before reusing the design.
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