Lantern Dimmer circuit diagram

Here the circuit diagram of Lantern dimmer/flasher designed by Tony Van Roon:

Lantern dimmer circuit

Electronic parts List:

R1 = 100K
R2 = 100K
R3 = 100K
R4 = 100K
R5 = 3K9
R6 = 3K9
R7 = 470
R8 = 100
R9 = 220, 1/2 watt
P1 = 5K
C1,C3 = 10uF/16V
C2 = 0.01uF, ceramic
T1 = 2N4401
T2 = TIP32
U1 = LM358
L1 = Lantern Bulb
S1 = On-Off Switch


S1 switch is used to activate the ‘Flashing’ mode. 2N4401 can be substituted with a NTE123AP, the BC547. TIP32 can be substituted with a NTE197. Other transistor types might be work.

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