CIRCUITOS

 Semáforo:

https://www.tinkercad.com/things/llrHV3zMYqM-funky-blorr-bombul/editel?sharecode=-VZFgbMgRE1eMhcPOidkUwVpca-F8wqJvTf_PdnE3WU

reto:

https://www.tinkercad.com/things/81oBXchYlLI-bodacious-sango-albar/editel?sharecode=5-IwMeQQaANxXqoH3E4kJkBGSZT9TbzxCnCka1B1Hvw

sensor ultrasonido:

https://www.tinkercad.com/things/4xF0YBUX7VX-powerful-leelo-lappi/editel?sharecode=VNY7xVg25inDtWaqUrlD9v8vJdaOOg-XOtwUMvTmsAg