Tag Archive: Battery

Jul 27

Amplitude Modulation (AM) Medium Wave (MW) Radio Receiver

Radio MW-schematic-diagram

Parts List Resistor : R1 …………………………….. 100K R2,R3 ……………………………1K5 R4 ………………………………. 470 R5 ………………………………… 10 Variable Resistor : VR1 ……………………………. A 5K Capacitor : C1 ……………………………. 0,01uF C2 ……………………………… 0,1uF C3 ………………………………… 1uF C4 ……………………………. 0,02uF C5 ……………………………. 0,05uF C6,C7 ………………………… 220uF C8 ………………………………. 10uF Variable Capacitor : VC1 ………………………….. 500pF Diode : D1,D2 ……………………… …

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Jul 24

DC 6-9V Mini Police Alarm

Mini Police Alarm-schematic-diagram

Parts List Resistor : R1 ………………………….. 180 R2,R3 ……………………… 15K R5 ………………………….. 3K3 R6 ………………………….. 10K R7 …………………………. 220K R8 …………………………… 1K2 R9 ……………………………. 150 Capacitor : C1,C2,C3 ………………….. 10uF C4 ………………………… 0,05uF C5 …………………………. 100uF C6 …………………………… 47uF Diode : D1,D2 …………………. 1N 4002 Transistor : TR1,TR2,TR3 ………….. FCS 9014 TR4 ……………………… FCS 9012 …

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Jul 24

Police Alarm with Flash Lamp/Light Alert

Police Alarm-schematic-diagram

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

Emergency Light-schematic-diagram

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 23

Automatic 12V Battery Charger

Automatic Battery Charger2-schematic-diagram

Parts List Resistor : R1,R4,R7 …………………………. 1K R2 ………………………………… 470 R3,R5 ……………………………. 47K R6 ………………………………… 220 R8 …………………………………… 1 Variable Resistor : VR1 ………………………………. 5K Capacitor : C1 ………………………. 220uF/16V Diode : D1 ……………………………. 1N 5402 D2,D4 ……………………….. 1N 4148 D3 ………………………………… LED D5 ……………………………. ZD 6,2V Transformator : T1 …………………. P  :  0-110V/220V T1 …

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