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things said:the magic smoke is the worst sign of electronics, especially the smell. just go over the circuit, check it, if it's good, put another 555 in and try again. if it still doesn't work after that, the circuit is wrong
maor said:oh your'e right i was mixing up with the digital 4000/7400 series
According to your own posts, your signature is not correctthings said:the magic smoke is the worst sign of electronics, especially the smell.
well if it's working, it usually doesn't smell bad. but then again, it's what its made of that makes it stink so i guess there is chemistry involved thenmcs51mc said:According to your own posts, your signature is not correct
If it smells bad it could also be electronics not only chemistry
Nicksan said:I got the smell also, I thought I installed one of the diodes backwards but I checked them with my meter and they werent. :?: I only applied 12v, Not sure what happend.
Nicksan[B said:]I have no way of posting the schematic[/B], but its on page 9 of Forrest Mimms 555 Timer IC circuits.
Whats funny or scary, depending on how you look at it is, I still have some of the same books I had when I was 17, Im 36 now, and some of them I have re-purchased after getting back into electronics........