| Q1,Q2 | S8550 | |
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| U1 | CH340C | USB serial converter, crystal-less, UART, SOIC-16 |
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| U2 | MP1584EN-LF-P | |
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| U4 | PIC16F887-I_PT | MCU, 8-Bit, 8KW Flash, 368 RAM, 36 I/O, TQFP-44 | Microchip Technology Inc. PIC16F887-I/PT |
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| BZ1 | Buzzer | |
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| C1,C2 | 10p | Unpolarized capacitor |
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| C3,C4,C9,C10 | 100n | Unpolarized capacitor |
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| C5 | 0.1uf | Unpolarized capacitor |
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| C8 | 10n | |
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| C11 | 150p | Unpolarized capacitor |
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| C12 | 22u | Unpolarized capacitor |
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| C13 | 10uF | Unpolarized capacitor |
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| C14 | 100nF | Unpolarized capacitor |
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| D1 | LED | Light emitting diode |
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| D2 | SS34 | 40V 3A Schottky Diode, SMA |
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| J1 | ISP_CON | |
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| J2,J5 | Conn_01x04_Socket | Generic connector, single row, 01x04, script generated |
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| J3 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
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