| U1 | 74HC595 | 8-bit serial in/out Shift Register 3-State Outputs |
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| U2 | STM32F030K6Tx | STMicroelectronics Arm Cortex-M0 MCU, 32KB flash, 4KB RAM, 48 MHz, 2.4-3.6V, 25 GPIO, LQFP32 |
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| U3 | CH340C | USB serial converter, crystal-less, UART, SOIC-16 |
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| U4 | LM1117DT-3.3 | 800mA Low-Dropout Linear Regulator, 3.3V fixed output, TO-252 |
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| U5 | 74HC04 | Hex Inverter |
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| C1-C9,C12,C13 | 100nF | Unpolarized capacitor |
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| C10,C11 | 22pF | Unpolarized capacitor |
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| D1-D10 | LED | Light emitting diode |
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| D11 | 1N4148 | 100V 0.15A standard switching diode, DO-35 |
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| F1 | 004.026.0000039 | Resettable fuse, polymeric positive temperature coefficient |
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| J1 |
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