ربما يفيدك هنا دائرة لتحويل 6 فولط الى 12 فولط
ادعوني بالخير من الله سبحان وتعالى........
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<TABLE cellSpacing=3 border=0><TBODY><TR><TD bgColor=#000033>
<CENTER>Part</CENTER></TD><TD bgColor=#000033>
<CENTER>Total Qty.</CENTER></TD><TD bgColor=#000033>
<CENTER>Description</CENTER></TD><TD bgColor=#000033>
<CENTER>Substitutions</CENTER></TD></TR><TR bgColor=#208288><TD>R1, R4</TD><TD>2</TD><TD>2.2K 1/4W Resistor</TD><TD></TD></TR><TR bgColor=#208288><TD>R2, R3</TD><TD>2</TD><TD>4.7K 1/4W Resistor</TD><TD></TD></TR><TR bgColor=#208288><TD>R5</TD><TD>1</TD><TD>1K 1/4W Resistor</TD><TD></TD></TR><TR bgColor=#208288><TD>R6</TD><TD>1</TD><TD>1.5K 1/4W Resistor</TD><TD></TD></TR><TR bgColor=#208288><TD>R7</TD><TD>1</TD><TD>33K 1/4W Resistor</TD><TD></TD></TR><TR bgColor=#208288><TD>R8</TD><TD>1</TD><TD>10K 1/4W Resistor</TD><TD></TD></TR><TR bgColor=#208288><TD>C1,C2</TD><TD>2</TD><TD>0.1uF Ceramic Disc Capacitor</TD><TD></TD></TR><TR bgColor=#208288><TD>C3</TD><TD>1</TD><TD>470uF 25V Electrolytic Capcitor</TD><TD></TD></TR><TR bgColor=#208288><TD>D1</TD><TD>1</TD><TD>1N914 Diode</TD><TD></TD></TR><TR bgColor=#208288><TD>D2</TD><TD>1</TD><TD>1N4004 Diode</TD><TD></TD></TR><TR bgColor=#208288><TD>D3</TD><TD>1</TD><TD>12V 400mW Zener Diode</TD><TD></TD></TR><TR bgColor=#208288><TD>Q1, Q2, Q4</TD><TD>3</TD><TD>BC547 NPN Transistor</TD><TD></TD></TR><TR bgColor=#208288><TD>Q3</TD><TD>1</TD><TD>BD679 NPN Transistor</TD><TD></TD></TR><TR bgColor=#208288><TD>L1</TD><TD>1</TD><TD>See Notes</TD><TD></TD></TR><TR bgColor=#208288><TD>MISC</TD><TD>1</TD><TD>Heatsink For Q3, Binding Posts (For Input/Output), Wire, Board</TD></TR></TBODY></TABLE>