Tag Archive: Lamp

Jul 24

Police Alarm with Flash Lamp/Light Alert

Parts List Resistor : R1 …………………………………… 4K7 R2 …………………………………… 10K R3 …………………………………. 100K R4,R11 ……………………………… 12K R5 …………………………………… 2K2 R6 ………………………………….. 220K R7 ……………………………………. 22K R8 ……………………………………. 82K R9 ……………………………………. 1M5 R10 …………………………………… 100 Variable Resistor : VR1 ………………………………….. 100K Capacitor : C1 ………………………………. 47uF/10V C2 ……………………………… 2,2uF/10V C3,C4,C5 ……………………… 0,1uF/50V C6 ………………………………. 22uF/10V C7 …

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Jul 10

Three Transistors DC 3-Way Electronic Sign Flasher

Parts List Resistor : R1,R2,R3 ……………………………. 150 Variable Resistor : VR1,VR2,VR3 ………………………. 1K Capacitor : C1,C2,C3 ………………….. 100uF/16V Diode : D1,D2,D3 ………………………. 1N4002 Transistor : TR1,TR2,TR3 ……………………. B512  

Jul 10

3-Way Automatic Disco Light Controller

Parts List : Resistor : R1 ………………………………………… 2K2 R2,R5,R9 ………………………………… 220 R3,R7,R10 ………………………………. 10K R4 ………………………………………… 1K2 R6 ………………………………………… 3K3 R8 ………………………………………… 4K7 Variable Resistor : VR1 ………………………………………. 5K VR2,VR3,VR4 …………………………. 10K Capacitor : C1 ………………………………………… 1KpF C2,C5 ……………………………………. 0,1uF C3 …………………………………….. 0,047uF C4 …………………………………….. 0,022uF C6,C7,C8 …………………………………. 1uF Dioda : D1,—-D6 ………………………………. 1N4148 Transistor …

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