Tag Archive: Lighting

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 24

Fluorescent Tube Lamp Emergency Light

Parts List Resistor : R1,R2,R4,R7 …………………………. 1K R3 ……………………………………… 470 R5 ……………………………………. 220K R6 ……………………………………… 47K R8 ……………………………………… 220 R9 …………………………………………. 1 R10 …………………………………….. 180 R11 …………………………………….. 820 R12 …………………………………….. 270 R13 ………………………………………. 47 R14 …………………………………….. 10K Variable Resistor : VR1 ……………………………………… 5K Capacitor : C1 …………………………….. 220uF/16V C2 …………………………….. 100uF/25V C3 …………………………….. 470uF/16V C4 …

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Jul 24

Selectable Power 40W DC Fluorescent Lamp Converter

Parts List Resistor : R1,R2,R3,R4 …………………… 330 R5,R6 ……………………………. 560 Capacitor : C1 …………………………… 0,047uF C2 ……………………….. 470uF/16V Transistor : Tr1 …………………………. MJ 4502 Transformator : T1 ……………………………….. T-40  

Jul 24

Simpler Selectable Power DC Fluorescent Lamp Converter

Parts List Resistor : R1 …………………………….. 10K R2 ………………………………. 47 R3 …………………………….. 270 R4 …………………………….. 820 Capacitor : C1 …………………… 0,1uF/100V C2 ……………………. 470uF/16V Diode : D1 ……………………….. 1N 5402 Transistor : TR1 ………………………. C 1061 Transformator : T1 …………………………… T-20  

Jul 23

Passive LED Bar VU Display

Parts List Resistor : R1 ………………………………………. 1 R2 ……………………………………. 390 R3 ……………………………………. 330 R4 ……………………………………. 220 R5 ……………………………………. 150 R6 …………………………………….. 82 R7 ……………………………………… 33 Capacitor : C1,C2 ……………………………. 220uF Diode : D1,—D6 ……………………. 1N 4002 D7,—D12 …………………… 1N 4148 D13,—D18 …………….. LED Display  

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