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Do you have any Switch Mode Power Supplies, either 5Volts or other? The noise might be because of that. If it is on a specific pattern and rate then something else cause this. Either clock,...
would your mains power be at 60Hz ? hint 16.667mS the A B debounce looks very uneven between rising and falling edges. the unequal phase shifts so introduced will make R.E data interpretation...
Before compensating, the probes had a slight up-tick/down-tick when changing edge: https://i.imgur.com/Db9URoS.jpg That is now gone, so I must have done something right: ...
So I finally got around to compensate each probe (in their colour-coded connector, just in case that matters). Also auto-calibrated the scope; very straight-forward. Before/after compensating: ...
Re: Vevor SDS1104 4 channel scope
Do you have any Switch Mode Power Supplies, either 5Volts or other?
Ioannis Yesterday, 21:30The noise might be because of that. If it is on a specific pattern and rate then something else cause this. Either clock,...