Negative voltage power supply with IC 555

[@eb3bnj]

Thanks for sucha a interesting video. What about noise? it's a very noisy supply or could it be well filtered. Thanks a lot.

[@BasicElectronics1234]

To get negative voltage 2 to diode and as capacitor is not sufficient

[@xmenken1]

Hold down and press the blue button of your Aneng multimeter, the backlight will be on and easlier to read.

[@EEWave]

Thank you Mr. Ken. Next time during the recording, I'll do this. Thanks for the suggestion. 😊