Hello,
I built yesterday LM3915 based LED VU meter, but it doesn't work. Not a single LED light up.
Since I'm a complete beginner with electronics (I learned what a diode is yesterday) there's a fair chance I've done some elementary mistake somewhere. I'll uploaded a picture showing the circuit, part list and an illustration of my breadboard with all the parts in it as they are.
If it's not a too much bother, please look the pic and tell me what's wrong with my assembly. Also if you have patience, tell me why it's wrong, so I could learn something as well.
Thank you in advance!
I built yesterday LM3915 based LED VU meter, but it doesn't work. Not a single LED light up.
Since I'm a complete beginner with electronics (I learned what a diode is yesterday) there's a fair chance I've done some elementary mistake somewhere. I'll uploaded a picture showing the circuit, part list and an illustration of my breadboard with all the parts in it as they are.
If it's not a too much bother, please look the pic and tell me what's wrong with my assembly. Also if you have patience, tell me why it's wrong, so I could learn something as well.
Thank you in advance!
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