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| Reference | Value | Description |
|---|---|---|
| Q1 | MMBT3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, SOT-23 |
| U1 | ESP32-S3-WROOM-1-N16R2 | RF Module, ESP32-S3 SoC, Wi-Fi 802.11b/g/n, Bluetooth, BLE, 32-bit, 3.3V, onboard antenna, SMD |
| U2 | USBLC6-2SC6 | Very low capacitance ESD protection diode, 2 data-line, SOT-23-6 |
| U3 | TPS63001 | Buck-Boost Converter, 1.8-5.5V Input Voltage, 1.7A Switch Current, 3.3V Output Voltage, VSON-10 |
| U4 | PCF8563T | Realtime Clock/Calendar I2C Interface, SOIC-8 |
| U5 | TCA8418RTWR |
| U6 | C2764211 |
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| U7 | TPS61040DBV | Synchronous Boost Regulator, Adjustable Output up to 28V, 400 mA Switch Current Limit, SOT-23-5 |
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| U8 | TPS22917DBV | 1V to 5.5V, 2A, 80mΩ Ultra-Low Leakage Load Switch, SOT23-6 |
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| U9 | MP2722GRH-0000-Z |
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| U10 | TS3USB30ERSWR | ESD-Protected, High-Speed USB 2.0 (480-Mbps) 1:2 Multiplexer/Demultiplexer Switch With Single Enable, UQFN-10 |
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| BZ1 | Buzzer | Buzzer, polarized |
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| C1,C4,C6,C20 | 1uF | Unpolarized capacitor |
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| C2,C9 | 100nF | Multilayer Ceramic Capacitors MLCC - SMD/SMT 50 V 0.1uF X7R 0805 10% |
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| C3,C21,C22 | 22uF | Samsung |
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| C5 | 47uF | Unpolarized capacitor |
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| C7,C8,C19,C33 | 0.1uF | Unpolarized capacitor |
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| C10,C23,C24,C26,C28-C32 | 10uF | Unpolarized capacitor |
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| C11 | 4.7pF | Unpolarized capacitor |
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| C12-C14,C16,C25 | 4.7uF | Unpolarized capacitor |
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| C15,C17 | .1uF | Unpolarized capacitor |
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| C18 | 680pF | Unpolarized capacitor |
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| C27 | 22nF | Unpolarized capacitor |
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| D1 | KT-0805Y | Light emitting diode |
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| D2 | MBR0530 | Diode |
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| D3 | SM4007 | 1000V 1A General Purpose Rectifier Diode, MELF |
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| D5 | D_Schottky | Schottky diode |
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| F1 | SMD1206-500-6V | Resettable fuse, polymeric positive temperature coefficient |
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| FB1-FB3 | FerriteBead | Ferrite bead |
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| J1 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
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| J2,J5 | Conn_01x12_Pin | Generic connector, single row, 01x12, script generated |
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| J3 | Conn_01x26_Pin | Generic connector, single row, 01x26, script generated |
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| J4 | Micro_SD_Card | Micro SD Card Socket |
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| L1 | 10uH | Inductor |
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| L2 | 1uH | Inductor |
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| L3 | 2.2uH | Inductor |
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| R1,R14 | 10K | Thick Film Resistors - SMD RMC 0805 1/8W 1% T/R-5000 |
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| R2,R8 | 100R | Resistor |
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| R3 | 4.7k | Resistor |
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| R4 | 1k | Resistor |
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| R5,R15 | 470R | Resistor |
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| R6,R7,R19 | 100K | Resistor |
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| R9,R10,R17,R18 | 10k | Resistor |
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| R11,R16 | 2k | Resistor |
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| R12 | 1.8M | Resistor |
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| R13 | 205k | Resistor |
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| R20 | 680k | Resistor |
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| RN1-RN4 | 4x10k | 4 resistor network, parallel topology |
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| SW4 | SW_DIP_x02 | 2x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol |
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| SW36,SW41 | YTS-C017-2B |
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| TH1 | NTC | Temperature dependent resistor, negative temperature coefficient |
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| TP1,TP2 | TestPoint | test point |
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| Y1 | Crystal_32.768kHz | Two pin crystal |
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