| Q1 | AO3401A | -4.0A Id, -30V Vds, P-Channel MOSFET, SOT-23 |
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| U1 | SRV05-4 | ESD Protection Diodes with Low Clamping Voltage, SOT-23-6 |
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| U2 | MS88SF21 1Y40AI-U | MinewSemi MS88SF21-1Y40AI-U Bluetooth 5.4 module with nRF52840, PCB antenna and USB power configuration |
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| BT1 | CR1632 | Single-cell battery |
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| C1 | 100u | Unpolarized capacitor, small symbol |
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| D1-D42 | 1N4148W | |
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| D43 | 1N5819W | Schottky diode, small symbol |
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| F1 | PTC 500mA Hold | Fuse, small symbol |
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| J1 | HRO_TYPE-C-31-M-12 | USB 2.0-only 16P Type-C Receptacle connector |
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| J2 | SWD | Generic connector, single row, 01x05, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| L1,L2 | BLM21PG121SN1D | Inductor, small symbol |
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| R1,R3 | 5.1k | Resistor, small symbol |
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| R2 | 100k | Resistor, small symbol |
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| R4,R5 | 27 | Resistor, small symbol |
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| S1 | MSK12C02-HB2.5 | Switch, single pole double throw |
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| SW1-SW12,SW14-SW22,SW25-SW33,SW36,SW41 | 1U | Push button switch, generic, two pins |
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| SW13,SW34,SW35,SW37,SW40,SW42 | 1.25U | Push button switch, generic, two pins |
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| SW23,SW24 | 1.75U | Push button switch, generic, two pins |
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| SW38 | 2.75U | Push button switch, generic, two pins |
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| SW39 | 2.25U | Push button switch, generic, two pins |
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