Parts:
R1_____________300K 1/4W Resistor
R2_______________1M2 1/4W Resistor
R3_____________510K 1/4W Resistor
R4_____________220K 1/4W Resistor
R5______________91K 1/4W Resistor
R6_____________160K 1/4W Resistor
R7______________56K 1/4W Resistor
R8,R9__________100R 1/4W Resistors
R10____________220R 1/4W Resistor
C1_____________100nF 63V Polyester Capacitor
C2_______________1µF 63V Polyester or Electrolytic Capacitor
C3______________10µF 25V Electrolytic Capacitor
D1,D2,D3_________3mm LEDs (Any coloring at will)
IC1____________LM393 Dual Comparator IC
IC2____________LM324 Low power Quad Op-Amp IC
IC3____________78L05 5V 100mA Regulator IC
J1_____________6.3mm Mono Jack socket
SW1_____________SPST Toggle or Slider Switch
B1________________9V PP3 Battery
Clip for PP3 Battery