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eshelton328
Hardware design monorepo with software-grade CI/CD. KiCad PCB projects with automated ERC/DRC, multi-fab rule validation, schematic & BOM checks, and auto-generated board documentation.
| Reference | Value | Description |
|---|---|---|
| Q1,Q2,Q6 | AO3401A | -4.0A Id, -30V Vds, P-Channel MOSFET, SOT-23,P-MOSFET transistor, gate/source/drain |
| Q3-Q5,Q7 | MMBT3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, SOT-23 |
| U1,U2 | TPS63070RNMR | |
| U3 | ESP32-S3-WROOM-1-N16 | RF Module, ESP32-S3 SoC, Wi-Fi 802.11b/g/n, Bluetooth, BLE, 32-bit, 3.3V, onboard antenna, SMD |
| U4 | USBLC6-2SC6 | Very low capacitance ESD protection diode, 2 data-line, SOT-23-6 |
| U5 | RV-3028-C7 | Realtime Clock/Calendar I2C Interface, Extreme Low Power, 1.1 V to 5.5 V, MicroCrystal C7 |
| U6 | MAX98357A | Mono DAC with amplifier, I2S, PCM, TDM, 32-bit, 96khz, 3.2W, TQFP-16 |
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| U7 | SN74LVC2G66DCUR |
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| U8 | SN74LVC1T45DBVR |
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| C1-C3,C5,C9-C11,C13,C27 | 10µF | Unpolarized capacitor |
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| C4,C12,C18,C20,C22-C25,C28-C30,C32,C33 | 0.1µF | Unpolarized capacitor |
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| C6-C8,C14-C17 | 22µF | Unpolarized capacitor |
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| C19,C31 | 1µF | Unpolarized capacitor |
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| C21,C26 | 100µF | Unpolarized capacitor |
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| C34 | 0.1uF | Unpolarized capacitor |
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| D1 | LED | Light emitting diode |
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| D2 | 150141M173100 | RGB common anode: A=1, RK=3, GK=4, BK=2; active-low GPIO |
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| J1,J3 | Conn_01x02_Pin | Generic connector, single row, 01x02, script generated |
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| J2 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
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| J4 | Conn_01x04_Pin | Generic connector, single row, 01x04, script generated |
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| L1,L2 | 1.5µH | Inductor |
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| R1,R6,R10,R19-R21,R23,R32,R36,R39 | 100kΩ | Resistor |
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| R3,R7,R12,R13,R18,R22,R24-R27,R31,R33 | 10kΩ | Resistor |
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| R4 | 470kΩ | Resistor |
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| R5 | 150kΩ | Resistor |
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| R8 | 680kΩ | Resistor |
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| R9 | 130kΩ | Resistor |
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| R11 | 1kΩ | Resistor |
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| R14,R15 | 5.1kΩ | Resistor |
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| R16,R17,R37,R38 | 4.7kΩ | Resistor |
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| R28 | 330Ω | Resistor |
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| R29,R30 | 150Ω | Resistor |
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| R34,R35 | 22Ω | Resistor |
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| R40,R45,R47 | 100k | Resistor |
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| R41 | 1M | Resistor |
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| R42,R44 | 47k | Resistor |
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| R43,R46,R49 | 10k | Resistor |
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| R48 | 33k | Resistor |
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| SW1 | MSK12C02 | Switch, single pole double throw |
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| SW2 | RESET | Push button switch, generic, two pins |
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| SW3 | BOOT | Push button switch, generic, two pins |
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| SW4 | VOL- | Push button switch, generic, two pins |
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| SW5 | MODE | Push button switch, generic, two pins |
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| SW6 | VOL+ | Push button switch, generic, two pins |
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| SW7 | BATTERY | Push button switch, generic, two pins |
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