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qwertpas
projects for learning/teaching PCB design
| Reference | Value | Description |
|---|---|---|
| U1,U2,U4,U5 | DRV8837D | H-Bridge driver, 1.8A, Low Voltage, PWM input, WSON-8 |
| U3 | ESP32S3 | |
| BZ1 | FUET-9018 | Buzzer, polarized |
| C1-C5,C7-C13 | 0.1uF | Unpolarized capacitor, small symbol |
| C6 | 10uF | Unpolarized capacitor, small symbol |
| J1,J2 | Conn_01x04 | Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J4,J5 | Switch | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| LS1 | Speaker | Speaker |
| MK1-MK3 | T3902 | Digital, PDM Microphone MEMS (Silicon) 1.65 V ~ 3.63 V Omnidirectional (-32dB ±1dB @ 94dB SPL) Surface Mount |
| R1,R2 | 10k | Resistor, small US symbol |