LED light Organ Circuit Diagram
This is a fun circuit that can be at parties, for example. The four LEDs flash to the beat of the music. The light organ responds using a microphone to sound.T1 amplifies the signal from MIC. The sensitivity can be adjusted by P1. T4 controls the LEDs. These are preferably LED's with a high light intensity.MIC is a condenser microphone. The circuit can be powered by a 9 V battery. LED light Organ Circuit Diagram The 4 Budget This circuit costs about € 6.15. Parts List R1 = 10 k R2 = 330 K? R3, R6, R13 = 100 k R4, R8, R11, R14 = 47 Ω R5, R9, R12 = 1.5 MΩ R7, R10 = 47 k P1 = 220 K? C1, C2, C3 = 100 nF C4 = 100 uF D1-D4 = LED T1, T2, T3 = BC547B T4 = BC557B M...