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ممكن يا بشمهندس تتكتب لنا كل الخامات المطلوبة للدائرة لاننى لا استطيع العصور عليها ؟
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تفضل أخي
U1 12Mhz quartz (also 4, 8, 16, 20; reconfiguration of input divider options is required)
U2 18F2550 (also 2450,2455,2458,2553,4450,4455,4458,4550,4553)
U3 20p socket.
U4 8p socket.
Q1-2 BC557 (or any PNP, pay attention to polarity)
Q3-4 BC547 (or any NPN, pay attention to polarity)
D1-2 LED
D3 1N4148 (or any diode, better if Shottky)
L1 100uH resistor type or other
R1 22K
R2 12K
R3 100K
R4:6 10K
R7 1M
R8-9 2.2K
R10 10K
R11:23 100
R24-25 300K
R26-27 10K
C1 22-100uF 25V
C2-3 22pF
C4 >= 220nF
C5 100nF
C6 10uF
C7-8 100nF
CONN1 USB type B
CONN2-3 10 pin female stripline
CONN4 5 pin stripline
