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freudenthal
PCF8574 I2C expander module.
| Reference | Value | Description |
|---|---|---|
| Q1,Q2 | Q_NMOS_GSD | |
| Q5 | Q_PMOS_GSD | |
| U1 | PCF8574TS | |
| U6 | 24FC01T-I/OT | |
| C1,C2,C4-C11,C13,C14,C19-C21,C23,C27,C31,C35,C39 | 1uF | |
| C3 | 10uF | |
| D1,D2,D4,D11,D15,D17,D18,D25,D29,D33,D37 | 100V | |
| D3 | 10V | |
| D5 | LED | |
| J1-J4 | M3 | |
| J5-J8,J11-J14 | DIO | |
| J9 | I2C | |
| J15 | Vin | |
| R1-R6,R39-R43,R57,R58 | 10kΩ | |
| R7-R14,R16,R18-R29,R32,R36,R50 | 1.2kΩ | |
| R15 | 100kΩ | |
| R17 | 500Ω | |
| R44 | NS |