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Std edition xmas2020star
Profile：Using two I²C controlled PCA9555PW I/O Expanders allows controlling up to 32 LEDs individually. Animating the shooting star on a dark PCB.
License: GPL 3.0
Description
Decorate your house today with this Raspberry Pi (Zero) controlled shooting star.
Control each LED individually with the I²C 16 I/O expander.
By programming the Raspberry Pi (Zero) you can animate the shooting star as you wish.
The dark PCB makes it stand out even more.
You can order these PCBs at https://jlcpcb.com starting from just $2 for 5 PCBs.
Using the EasyEDA editor makes ordering PCBs and components from LCSC a breeze.
Merry Christmas everyone.
design drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity | BOM_Supplier | BOM_Manufacturer | BOM_Manufacturer Part | BOM_Supplier Part |
|---|---|---|---|---|---|---|---|---|
| 1 | 19-213/Y2C-CQ2R2L/3T(CY) | LED20,LED19,LED18,LED17,LED21,LED15,LED14,LED13,LED12,LED16 | LED0603-R-RD | 10 | LCSC | EVERLIGHT | 19-213/Y2C-CQ2R2L/3T(CY) | C72038 |
| 2 | Female header/2.54mm2x3 Female header | H1 | HDR-TH_6P-P2.54-V-R2-C3-S2.54 | 1 | LCSC | ReliaPro | Female header/2.54mm2x3 Female header | C47552 |
| 3 | 19-217/GHC-YR1S2/3T | LED6,LED7,LED8,LED9,LED10,LED25,LED22,LED23,LED24,LED31 | LED0603-R-RD | 10 | LCSC | EVERLIGHT | 19-217/GHC-YR1S2/3T | C72043 |
| 4 | LTST-C190GKT | LED11,LED5,LED4,LED3,LED30,LED26,LED27,LED28,LED29,LED2 | LED0603-RD | 10 | LCSC | Lite-On | LTST-C190GKT | C125093 |
| 5 | 19-217/BHC-ZL1M2RY/3T | LED1,LED32 | LED0603-R-RD | 2 | LCSC | EVERLIGHT | 19-217/BHC-ZL1M2RY/3T | C72041 |
| 6 | PCA9555PW,118 | U1,U2 | TSSOP-24_L7.8-W4.4-P0.65-LS6.4-BL | 2 | LCSC | NXP | PCA9555PW,118 | C128392 |
| 7 | 360 | R31,R30,R29,R28,R27,R26,R25,R24,R23,R22,R21,R20,R19,R18,R1,R32,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,R13,R14,R15,R16,R17,R2 | R0603 | 32 | LCSC | UniOhm | 0603WAF3600T5E | C25194 |
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