อุปกรณ์
ภาคส่ง
R1,R3 100K 1/4W
C1 220nF 63V
R2 47R 1/4W
C2 10nF 63V
R4 5K 1/2W Trimmer Cermet
C3 1 nF 63V
R5 12K 1/4W
C4,C6 1nF 63V
R6 10K 1/4W
C5 2n2 63V
R7 6K8 1/4W
C7,C8 47nF 400V
R8,R9 1K 1/4W
C9 1000uF 25V
D1 1N4148
IC1 LM35
D2,D3 1N4002
IC2 LM331
D4 Red LED
IC3 78L06
Q1 BC238
Q2 BD139
L1 Primary (Connected to Q2 Collector): 100 turns
Secondary: 10 turns
Wire diameter: 0.02mm. enameled
Plastic former with ferrite core. Outer diameter: 4mm.
T1
220V Primary, 12+12V Secondary 3VA Mains transformer
ภาครับ
R1 100K 1/4W
C1,C2 47nF 400V
R2 1K 1/4W
C3,C7 1nF 63V
R3,R4,R6-R8 12K 1/4W
C4 10nF 63V
R5 47K 1/4W
C5,C6,C10 220nF 63V
R9-R15 470R 1/4W
C8 1000 nF 25V
R16 680 1/4W
C9 100pF 63V
D1,D2,D5 1N4148
D3,D4 1N4002
D6-D8
Common-cathode 7-segment LED mini-displays
IC1 4093
IC2 4518
IC3 78L12
IC4 4017
IC5 4553
IC6 4511
Q1
BC239C
Q2-Q4
BC327
L1
Primary (Connected to C1 & C2): 10 turns
Secondary: 100 turns
Wire diameter: 0.02mm. enameled
Plastic former with ferrite core. Outer diameter: 4mm.
T1
220V Primary, 12+12V Secondary 3VA Mains transforme
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