Idk its a cool tree with some leds that will blink when powered woah so cool,
Overall look of the boardd

Schematic of the pcb::

Lines of the pcb::

BOM:

BOM_Blinking-led-tree-555_2025-12-02.csv
ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price "1" "1uF" "C1" "CAP-TH_BD5.0-P2.00-D0.8-FD" "1" "KF010M050C110A" "CapXon(丰宾)" "LCSC" "C62934" "0.026" "2" "10nF" "C2" "CAP-TH_L8.0-W4.0-P5.00-D1.2" "1" "N09F1B103MN0B0S0N0" "STE(松田)" "LCSC" "C249157" "0.036" "3" "PZ254V-11-02P" "H1" "HDR-TH_2P-P2.54-V-M" "1" "PZ254V-11-02P" "XFCN(兴飞)" "LCSC" "C492401" "0.013" "4" "XL-502UWC" "LED1,LED2,LED3,LED4,LED5,LED6,LED7,LED8,LED9,LED10" "LED-TH_BD5.9-P2.54-RD_WHITE" "10" "XL-502UWC" "XINGLIGHT(成兴光)" "LCSC" "C2895480" "0.024" "5" "Header-Male-2.54_1x1" "P1" "HDR-TH_1P-P2.54-V-M" "1" "2.54-1*1P针" "BOOMELE(博穆精密)" "LCSC" "C81276" "0.008" "6" "1kΩ" "R1" "RES-TH_BD2.3-L6.5-P10.50-D0.5" "1" "MF1/4W-1KΩ±1%T52" "华星机电" "LCSC" "C713997" "0.007" "7" "470Ω" "R2" "RES-TH_BD2.2-L6.5-P10.50-D0.6" "1" "MFR0W4F4700A50" "UNI-ROYAL(厚声)" "LCSC" "C58592" "0.01" "8" "CD4017BCN" "U1" "DIP16" "1" "" "" "" "" "" "9" "100kHz" "U2" "DIP-8_L9.8-W6.6-P2.54-LS7.6-BL" "1" "NE555P" "TI(德州仪器)" "LCSC" "C46749" "0.45" "10" "50kΩ" "VR1" "RES-ADJ-TH_3P-L9.5-W4.85-P2.50-BL-L" "1" "3296X-1-503" "BOCHEN(博晨)" "LCSC" "C118912" "0.178"12" "0.178"