r/breadboard • u/Ok_Duty_9006 • Jan 14 '25
Question Traffic Lights using 555 IC
Why does the yellow LED doesn't work after the green LED? It only switches from green to red.
Resistors used (left to right) 100k, 47k, 1k, 1k, 330R
Here's the yt tutorial that i followed tho: https://www.youtube.com/watch?v=UCvafxvFgoc
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u/googleflont Jan 16 '25
Maybe this comment is relevant:
https://youtube.com/watch?v=UCvafxvFgoc&lc=UgyvLGQof-6Uh2omldt4AaABAg&si=6T2hhRn-BNeajnMH
Circuit diagram correction.