The circuit below fades on and off a cascading series of leds in an alternating fashion.
I tried reproducing it on a breadboard with 5 leds to try to understand it how it works, and got all sorts of weird results.
- The resistor values don't seem to matter that much
- removing a capacitor doesn't seem to affect the circuit at all. It seems to be using the total or average of all of the capacitors. the capacitor values seem to affect it in some non-linear way that I can't figure out.
- it only works with an odd number of leds. 3, 5, 7, etc.
Does this circuit have a name? What determines the brightness and periods of the leds?
Found here https://boldport.com/shop/ananas