I was wondering, is there is a minimum voltage to make capacitor work? I have been trying to make a blinking LED project without using a 555/556 timer or microcontroller. I have been trying a BC547 transistor with almost now success. I just got one to work tonight. I was trying the 4.5v battery pack that I have been using for the 555 timer blinking LED projects but it didn't work. The one I just got to work called for a 12v power supply and it's working. I am using the same 100uf, 25v capacitor I used in the 555 projects. I am new at all this so I don't understand completely how a capacitor works or a transistor.
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