project in arduino coded in cpp
ex 1 - traffic lights logic
https://www.tinkercad.com/things/8sB8yovsxKM-exemplo10707/editel?sharecode=5iTTgb03TAEbc7PelpfzffzcXnG7srkbBrXJFat1XKs
ex 3 - light sensor logic
https://www.tinkercad.com/things/2K2SpQJTm8O-exemplo3ldr/editel?sharecode=H18dnnybUrEELQ-7NCmMmDBdYWaTB3Ac4YPA6JH4BCg