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please somebody help me to make 5v power supply without usung transformer because i saw a circuit that using just this compenent(684j/400) and only a bridge diode and i don't know nothing about this component
and this is the image
good morning sir/madam
im looking to creat a led bar graph that can show me when the voltage of the power is high or low i used lm3914 and its working when i was a potentiometer but the problem is when i delete this component it doesnt work correctly bceause in reality the voltage of my circuit...
can anyone please help me to realize the project on the image below
i like this project and i like to make my new clock for my new room im beginner but i got a some information about microcontroller and mikroC compiler and electronics and i found some exmple work on isis using...