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eihli
| Reference | Value | Description |
|---|---|---|
| Q1 | 2N7002 | 0.115A Id, 60V Vds, N-Channel MOSFET, SOT-23 |
| U1 | Battery MGMT | USB-Friendly Li-Ion Battery Charger and Power-Path Management, VQFN-16 |
| U2 | Buck Boost Regulator | TPS63802DLAR |
| U3 | Wio-E5-LE | Seeed Wio-E5-LE LoRa wireless module (STM32WLE5JC, +14 dBm, 28-pin LGA, EU868/US915) |
| U4 | TPS22917DBV | 1V to 5.5V, 2A, 80mΩ Ultra-Low Leakage Load Switch, SOT23-6 |
| BZ1 | Magnetic Transducer | Buzzer, polarized |
| C1,C4,C5 | 10uF | Unpolarized capacitor |
| C2,C8,C11 | 4.7uF | Unpolarized capacitor |
| C3 | 47uF | Unpolarized capacitor |
| C6,C7 | 22uF | Unpolarized capacitor |
| C9,C10 | 100nF | Unpolarized capacitor |
| D1,D3 | Green | Light emitting diode |
| D2 | Red | Light emitting diode |
| D4 | BAS19 | 100V, 200mA switching diode, SOT-23 |
| D5,D6 | 5mm LED | Light emitting diode |
| E1 | Spring Antenna | Antenna |
| J1 | USB-C | USB Power-Only 6P Type-C Receptacle connector |
| J2 | Battery Connection | Generic connector, single row, 01x02, script generated |
| J3 | Ext Antenna | small coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...) |
| J4 | Debug Header | Generic connector, double row, 02x05, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J5 | OLED Display | Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J6 | AudioJack | Audio Jack, 3 Poles (Stereo / TRS), Switched T Pole (Normalling) |
| J7,J8 | SAO | Generic connector, double row, 02x03, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| L1 | 0.47uH | Inductor |
| R1,R6,R8,R11,R12,R23 | 10k | Resistor |
| R2,R3,R5 | 1.5k | Resistor |
| R4 | 2.2k | Resistor |
| R7 | 511k | Resistor |
| R9,R10 | 0 | Resistor |
| R13 | 1k | Resistor |
| R14,R15 | 100k | Resistor |
| R17,R18 | 5.1k | Resistor |
| R19 | 91k | Resistor |
| R20,R21 | 1M | Resistor |
| R22 | 10R | Resistor |
| R24,R25 | 330 | Resistor |
| SW1 | Kailh Choc | Push button switch, generic, two pins |
| SW2 | Utility btn | Push button switch, generic, two pins |
| SW3,SW4 | SW_SPDT | Switch, single pole double throw |