Circuit

Semiconductor smd code book ir .pdf format. The book is divided into four parts. Download all parts and extract with a program:  7-Zip.
1 part
2 part
3 part
4 part

LED color-marking values are here.

The capacitor parameters by capacitor type are here.

Print out and make a resistor color code "decoder" like this.

Unfortunately a lot of younger people do not understand Russian language nowadays, but it is a lot of useful and detailed information of electronics topics in Russian language. It could be that  you will need some Russian-made electronic components in construction process. In my computer collected sorts of information, in English and Russian over time. So I uploaded some of it here. Take a look.

Detailed  color and symbolic marking manual for many kinds of electronic components in Russian language. Manual is in .pdf format.
1 part
2 part
3 part
4 part

Marking of pins for Russian semiconductors is here.

Marking of Russian semiconductors is here.

Color marking for Russian semiconductors is here.

Color marking of significant number Russian diodes is here (in Russian).

Color marking of some Russian diodes is here (in Russian).