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Circuit diagrams and firmware source code for Gboard DIY keyboards
| Reference | Value | Description |
|---|---|---|
| U1 | AMS1117-3.3 | 1A Low Dropout regulator, positive, 3.3V fixed output, SOT-223 |
| C1 | 10u | Unpolarized capacitor |
| C2 | 2.2u | Unpolarized capacitor |
| C3,C4 | 47p | Unpolarized capacitor |
| J1 | JST_ZH_7P | Generic connector, single row, 01x07, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J2 | USB | USB 2.0-only 14P Type-C Receptacle connector |
| R1,R2 | 5.1K | Resistor |
| R3,R4 | 22 | Resistor |
| R5 | 1.5K | Resistor |