小灯和LED亮度控制电路
作者:dolphin
时间:2011-07-01
下面是 [小灯和LED亮度控制电路]的电路图
材料BOM表:
P1 = 470K
R1 = 10K
R2 = 47K
R3 = 1.5K
C1 = 22nF-63V
C2 = 100uF-25V
D1 = 1N4148
D2 = 1N4148
Q1 = BD681
B1 = 2xAA cells in series
IC1 = 7555 or TS555CN
LP1 = 1.5V 200mA Bulb
SW1 = SPST Switch
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