why2025-hardware
ranzbak
Hardware design files for the WHY2025 badge
Components (84)
| Reference | Value | Description |
|---|---|---|
| Q1-Q4 | AP2302B | |
| Q5,Q6 | AO3400 (A09T) | |
| U1 | CH32V203C8T6 | |
| U3 | TLV62569DBV | High Efficiency Synchronous Buck Converter, Adjustable Output 0.6V-5.5V, 2A, SOT-23-5 |
| U4 | CH334R | USB HUB controller, UART, QSOP-16 |
| U5 | ESP32-C6-WROOM-1 | |
| U6 | BQ25895RTW | |
| U7 | CH340K | USB serial converter, UART, SSOP-10 |
| U8 | ESP32-P4 | |
| U9,U17-U19,U22,U32 | SK6805 | SK6805-EC2020 |
| U10 | BHI360 | |
| U11,U12 | AP3032KTR | |
| U13 | W25Q128JVS | 32Mb Serial Flash Memory, Standard/Dual/Quad SPI, SOIC-8 |
| U14 | ES8156 | |
| U15 | LR8341A-M25 | |
| U16 | FM8002A | |
| U20 | 74LVC1G17GW,125 | |
| U21 | PCA9517DP,118 | |
| U23 | TPS63020DSJR | |
| U24 | SY6280AAC | |
| U25 | 65K5. | |
| U26 | 74LVC2G02HD4-7 | Dual NOR gate |
| U28,U29 | USBLC6-2P6 | Very low capacitance ESD protection diode, 2 data-line, SOT-666 |
| U30,U31 | ESD | |
| U33 | BME688_C3664478 | |
| U34 | BMI270 | |
| C1-C6,C10,C16,C17,C23,C27,C28,C35-C38,C40-C43,C45,C50-C57,C64,C70,C75,C77,C82,C86,C92,C93 | 100n | |
| C7,C13-C15,C20,C25,C29,C31,C33,C59,C73,C74,C79,C80,C87-C89 | 10u | |
| C8,C9,C18,C19,C30,C32,C34,C39,C44,C61-C63,C67-C69,C76,C91 | 1u | |
| C11 | 47n | |
| C12 | 4u7 | |
| C21,C22,C47,C48,C71,C72 | 22p | |
| C26,C46,C49,C58 | 10n | |
| C60 | 0.39u | |
| C65,C66,C81,C83-C85 | 22u | |
| C78 | 220n | Unpolarized capacitor |
| CN1 | DF37NB-24DS-0.4V(51) | |
| D1-D72 | 1N4148WS | |
| D73-D78,D80,D81 | LTW-010DCG-SR-G | |
| D79,D85 | 2.0v | 1.91V~2.09V 500mW Zener Diode |
| D82 | Purple LED | |
| D83,D84 | 1N5819WS | |
| D86 | 2.7v | 2.65V~2.75V 550mW 2.7V Zener Diode |
| D87 | SMD24PL-TP | |
| J1 | USB device | TYPE-C-31-M-12 |
| J2 | USB host | USB Type A connector |
| J3 | LoRa | small coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...) |
| J4 | Headphone | PJ-327ST-SMT |
| J5 | External Add-On (SAO / PMOD) | |
| J6 | Internal Add-On | Generic connector, double row, 02x18, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J7 | Speaker | |
| J8 | Micro_SD_Card | Micro SD Card Socket with one card detection pin |
| J9 | CAMERA | RPI camera |
| J10 | Expansion I3C | |
| J13 | Battery | |
| L1 | 2.2u | |
| L2 | YHNR4020-2R2M | |
| L4,L6 | 6.8uH | |
| L7 | CMLW6028S1R5MST | |
| R1-R8,R21,R22,R24,R28,R29,R49,R53,R62,R63,R75,R80,R84,R87 | 10k | |
| R9,R10 | 5k1 | |
| R11,R23,R42,R45,R60,R61,R65,R66,R74,R76,R81,R99,R100 | 4k7 | |
| R12,R27,R31,R32,R39,R47,R70-R72,R98,R101 | 100k | |
| R13,R15,R19,R46,R86 | 2k2 | |
| R16,R25,R26,R30,R33-R38,R50,R54-R59,R77,R82 | 51k | |
| R17,R18 | 27 | |
| R20 | 261 | 1% |
| R40,R41 | 499k | |
| R44,R52 | 4k02 | 1% |
| R48 | 4R7 | 1% |
| R51 | 10 | 1% |
| R64 | 1M | Resistor |
| R67,R68 | 33 | |
| R69 | 0 | |
| R73 | 180k | Resistor |
| R78 | 6.8k | |
| R83 | 1.5k | |
| R85 | 1k | |
| SW1 | Power | Power button |
| SW2 | User | User button |
| SW3 | Boot | Boot button |
| Y1 | 12MHz | Four pin crystal, GND on pins 2 and 4, small symbol |
| Y2 | 32.768KHz | Q13FC1350004900 |
| Y3 | 40MHz | SX32Y040000MF1T-SU |