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Update time：
2021-10-09 11:58:04
Creation time：
2021-03-06 11:06:51
Description
Description
Small BLE and NFC board based on the NRF52840 that can act as a beacon or more fully featured Bluetooth 5, Thread or Zigbee multiprotocol device. The board breaks out SPI, I2C, two ADC pins, and has EEPROM, a button, and an LED. The NRF52840 is an ARM Cortex M4 processor running at 64MHz with 1MB flash and 256KB RAM. (Note: The RF of this design has not yet been tuned)
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Design Drawing
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| ID | Name | Designator | Footprint | Quantity | BOM_Supplier | BOM_Manufacturer Part | BOM_Manufacturer | BOM_Supplier Part |
|---|---|---|---|---|---|---|---|---|
| 1 | 100nF | C1,C2,C3,C5,C7,C12,C14,C15 | C0402 | 8 | LCSC | CL05B104KO5NNNC | SAMSUNG | C1525 |
| 2 | 4.7uF | C4,C43,C44 | C0402 | 3 | LCSC | CL05A475MP5NRNC | SAMSUNG | C23733 |
| 3 | 1uF | C6,C13 | C0402 | 2 | LCSC | CL05A105KA5NQNC | SAMSUNG | C52923 |
| 4 | 100pF | C9 | C0402 | 1 | LCSC | 0402CG101J500NT | FH | C1546 |
| 5 | 1nF | C11 | C0402 | 1 | LCSC | 0402B102K500NT | FH | C1523 |
| 6 | 150pF | C17,C23,C25,C27 | C0402 | 4 | LCSC | 0402B151K500NT | FH | C1527 |
| 7 | 15pF | C21,C22,C24,C26 | C0402 | 4 | LCSC | 0402CG150J500NT | FH | C1548 |
| 8 | 1pF | C34 | C0402 | 1 | LCSC | 0402CG1R0C500NT | FH | C1550 |
| 9 | 15nH | L1 | L0402 | 1 | LCSC | SDCL1005C15NJTDF | Sunlord | C27143 |
| 10 | 10uH | L2,L4 | L0603 | 2 | LCSC | MLZ1608M100WT000 | TDK | C76798 |
| 11 | 4.7nH | L3 | L0402 | 1 | LCSC | SDCL1005C4N7STDF | Sunlord | C13595 |
| 12 | 100Ω | L5 | L0805 | 1 | LCSC | GZ2012D101TF | Sunlord | C1015 |
| 13 | KT-0603R | LED1 | LED0603-R-RD | 1 | LCSC | KT-0603R | KENTO | C2286 |
| 14 | 22 | R2,R10,R11,R12,R13,R14,R15,R20,R21 | R0402 | 9 | LCSC | 0402WGF220JTCE | UniOhm | C25092 |
| 15 | 100K | R3,R8 | R0402 | 2 | LCSC | 0402WGF1003TCE | UniOhm | C25741 |
| 16 | 1K | R4 | R0402 | 1 | LCSC | 0402WGF1001TCE | UniOhm | C11702 |
| 17 | 0 | R18,R19,R1 | R0402 | 3 | LCSC | 0402WGF0000TCE | UniOhm | C17168 |
| 18 | TS-1089S-02526 | SW1 | SW-SMD_4P-L4.2-W3.3-P2.15-LS5.1 | 1 | LCSC | TS-1089S-02526 | XUNPU | C455282 |
| 19 | AT24C256C-SSHL-T | U1 | SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL | 1 | LCSC | AT24C256C-SSHL-T | MICROCHIP | C6482 |
| 20 | NRF52840-QIAA-R | U2 | AQFN-73_L7.0-W7.0-P0.50-BL-EP4.8 | 1 | LCSC | NRF52840-QIAA-R | Nordic Semicon | C190794 |
| 21 | 32MHz | X1 | OSC-SMD_4P-L3.2-W2.5-BL | 1 | LCSC | 7V3205LCSC-EEE4G | TXC | C90934 |
| 22 | 32.768KHz | X2 | FC-135R_L3.2-W1.5 | 1 | LCSC | Q13FC1350000400 | EPSON | C32346 |
| 23 | 47uF | C28 | C1206 | 1 | LCSC | CL31A476MPHNNNE | SAMSUNG | C96123 |
| 24 | SI2301CDS-T1-GE3 | Q2 | SOT-23-3_L3.0-W1.7-P0.95-LS2.9-BR | 1 | LCSC | SI2301CDS-T1-GE3 | VISHAY | C10487 |
| 25 | 4.7 | R23 | R0603 | 1 | LCSC | 0603WAF470KT5E | UniOhm | C23164 |
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