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flyback LED power supply
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flyback LED power supply
T1 100 H 1.5V D C + D1 W H ITE LE D R1 220 EI G HT TU R N S AW G # 3 0 Q2 Q1 2N3 9 0 4 2N3 9 0 4 Figure 1 Two tr...
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T1 100 H 1.5V D C
+
D1 W H ITE LE D
R1 220
EI G HT TU R N S AW G # 3 0 Q2 Q1
2N3 9 0 4
2N3 9 0 4
Figure 1 Two transistors and an easily assembled transformer drive a white LED from a single 1.5V battery.
edn070215di373 41
DIAN E
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