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modern-hobbyist
Collection of KiCad PCB designs for custom keyboards, including full-sized and split ergonomic layouts with STM32F072CBT6 microcontrollers.
| Reference | Value | Description |
|---|---|---|
| Q1 | AO3401A | |
| Q2 | MMUN2233LT1G | |
| U1 | STM32F072CBT6 | |
| U2 | PRTR5V0U2X | |
| U3 | XC6206PxxxMR-Regulator_Linear | |
| U4 | CR2013-MI2120 | ILI9341 controller, SPI TFT LCD Display, 9-pin breakout PCB, 4-pin SD card interface, 5V/3.3V |
| U5 | TXB0101 |
| 1-Bit Bidirectional Voltage-Level Translator |
| BOOT1,RST1 | SW_SPST |
|---|
| C1-C39,C43,C44 | 0.1uF | Unpolarized capacitor |
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| C100,C102-C106,C109 | 100nF |
|---|
| C101 | 10uF |
|---|
| C107,C108 | 1uF |
|---|
| CH1-CH39 | choc_v1_SW_HS | Push button switch, normally open, two pins, 45° tilted |
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| D1-D39 | D | Diode |
|---|
| F1 | 500mA |
|---|
| J1,J3 | USB_C_Receptacle_USB2.0 |
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| J2 | Conn_01x05 | Generic connector, single row, 01x05, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| LED1-LED39 | choc_SK6812MINI-E | Reverse mount adressable LED (WS2812 protocol) |
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| R1-R5 | 5.1k | Resistor |
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| R6 | 10k |
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