https://www.youtube.com/watch?v=rrLAhflJe34   sensor musical

https://www.youtube.com/watch?v=Eb2qskK-PiQ letras de led

https://www.youtube.com/watch?v=TZN3kG4dgSQ circuito intermitente

https://www.youtube.com/watch?v=6oLd-v8TnHY circuito en serie led

https://www.youtube.com/watch?v=X-F_g5cIwYk circuito en paralelo

https://www.youtube.com/watch?v=nYKhb1m7b7I circuito en serie y en paralelo

https://www.youtube.com/watch?v=KhocUOf8CNM fotocelda apagar y encender un led

https://www.youtube.com/watch?v=eSBL3lpUCJE robot seguidor de luz

 https://www.youtube.com/watch?v=rXBEu1T_6-Y  semáforo