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I took the trouble to check the circuit, it supports your explanation [ and mine]
Do you have the 'standard.dio'in your Lib/Cmp folder.??
And that is another reason to not use the Zener.In fact the circuit will not work with 16 LEDs.
Eric,
Yes I do have standard.dio!
Thanks
ron
.The REAL purpose of the zener is to discharge the capacitor.
That's why I brought up the discussion in the first place. I thought that everyone had missed the purpose of the zener.
Sorry to say Colin, you have it wrong..
That is what R2, the 390K resistors job is.
Why don't you tell what you really feel? Tell us why.BTW, this is a really crappy circuit design...
Eric, thanks for the LEDs.
TvTech is right about "discharge". I think Colin needs a different word, like 'reset' or '???'. The Zener is used as a diode to conduct the negative half of the current while the positive half goes through the LEDs. The positive and negative currents must balance (equal).
Why don't you tell what you really feel? Tell us why.
The 22uF helps reduce 25Hz LED flicker
to erisgibbs,
Please explain how the 22u reduces the flicker.