Light-Controlled Sounds (V)

Project Number: 65

OBJECTIVE: To show a variation of the circuit in Project #61.

Description: Now remove the connection between U & Z, add a 1-snap at Z (on level 3), add a second 3-snap between V & W (on level 3), and finally place the music IC (U1) directly over the alarm IC (U2) on level 4. Listen to the sounds.