>Incredibly comprehensive list of electronics resources:
https://github.com/kitspace/awesome-electronics

>Project ideas:
https://adafruit.com
https://instructables.com/tag/type-id/category-technology/
https://makezine.com/category/electronics/
https://hackaday.io

>Archive of Popular Electronics magazines (1954-2003):
https://worldradiohistory.com/Popular-Electronics-Guide.htm
>Microchip Tips and Tricks PDF:
https://ww1.microchip.com/downloads/en/devicedoc/01146b.pdf
>Li+/LiPo batteries required reading:
>https://buster-spb.ru/files/SAFT/li-ion_user_manua.pdf

>Learnabout Electronics
https://learnabout-electronics.org/index.php

>Basic soldering videos from pace:
https://youtube.com/playlist?list=PL926EC0F1F93C1837&si=0q5dDDc1McvHkxH0