Hi Ante!.... ihave the value for the components.... Resistors R1------------ 8.2 K (grey-red-red) R2, R5, R7-- 10 K (brown-black-orange) R3, R8------- 6.8 K (blue-grey-red) R4------------ 180 K (brown-grey-yellow) R6------------ 100 (brown-black-brown) R10, R11---- 100 K (brown-black-yellow) R12, R9------ 1 K (brown-black-red) Diode D1------------ #1N4001 (Rectifier) Capacitors C1------------- 0.022 µF (#223n) C3,C4--------- 0.01 µF (#103n) Electrolytic capacitors C2-------------- 1 µF (10V min) C5-------------- 10 µF (10V min) C6-------------- 330 µF (10V min) Transistor Q1-------------- General purpose NPN type Miscellaneous LED1----------- Light-emitting diode, 3 or 5mm MIC------------- Condenser microphone IC1-------------- 8-pin, dual op-amp IC (#358 or 1458) IC2-------------- 14-pin dual D-flip flop, CMOS IC (#4013)