Electronic – How to identify these capacitor values

capacitorcomponent-valuesschematics

I’m trying to build the power supply from this schematic.
schematic
I’ve been purchasing the parts, but am confused about the capacitors I’ve labeled, especially became their numbers start with “R”. What are their values? What common sense can I use so I can continue to find this out myself?

Best Answer

Since a couple of other commenters seem to think it reasonable, I'll go ahead and make an answer from my comment:

Taking a wild guess:

I have seen a few cases where resistances were written as for example 1R1 to represent a 1.1 ohm resistor.

So, those might be 0.1 and 0.01 microfarad capacitors.

Additionally, those values would make sense in the given positions for a 7805 linear voltage regulator.

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