Tag Archive: Incandescent Lamp

Jul 10

DC 3-Way Electronic Sign Flasher

  Parts List Resistor : R1,R2,R3 ……………………… 470 Variable Resistor : VR1,VR2,VR3 ………………….. 1K Capacitor : C1,C2,C3 ………………. 100uF/16V Diode : D1,–D6 ……………………… 1N4002 Transistor : TR1,TR3,TR5 …………….. FCS9012 TR2,TR4,TR6 ………………….. B512  

Jul 08

LM386 Intercom

Parts List Resistor : R1 …………………………………. 10 R2 ………………………………. 5,6K Capacitor : C1 ……………………………. 220pF C2,C5,C6 …………………… 100uF C3 ……………………………. 47KpF C4 ………………………….. 100KpF Integrated Circuit : IC1 …………………………… LM386 Transfomer : T1 …………….. Transformer  1 : 25 Other : Speaker 2″ ………………….. 8 ohm