White LED on 1.5 v Supply

2 White LED on 1.5 v Supply

2-white-led-on-1_5-v-supply
Parts
T1 – BC338
R1 – 2.7 K
C1 – 10 n
D1,D2 – Super bright LED
Transformer – 60 T, 40 T
S1 – On/off Switch
Battery 1.5 V

White LED Flasher

white-led-flasher
Parts
T1 – BC338
T2 – 2N2222
R1 – 2.7 K
R2 – 47 R
R3 – 330 R – 1K
C1 – 10 n
C2 – 100
D2 – 1N4148
Battery 1.5 v

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