Top 5 Winning Science fair projects 2022 never seen before

Only 0$ for 1-4 layer PCB Prototypes :
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Solar Project-    • I made the most complicated science f...  
POV Clock Display-    • Making of wireless energy transferred...  
Dream PC-    • Mini Dream PC That worth many Sleeple...  
IOT DOL Starter-    • Making a project which can handle Hig...  
Irrigation System-    • Most Advanced High-Tech project for S...  
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#iot #ESP32 #nodemcu