Tutorial Sites and information on Electronics

• HyperPhysics Pages: Electricity and magnetism
• HyperPhysics Pages: Electronics
• All about circuits (Site)  
• CMOS EDU site (Book material from J. Baker) (Site)  
• How to make home made batteries (Site)  
• Making Electric Circuits and Other Electronics Projects (Site)  
• RF Basics (I. Rosu, Site)  
• Site On IC models, Smith chart, etc. (Site)  
• Spectrum analyzer fundamentals (Site)  
• www.electronics-tutorials.com (Site)  
• www.hobbyprojects.com (electronic tutorials, circuits) (Site)  
• www.radio-electronics.com (Radio Engineering) (Site) 
• https://maker.pro/  (Tutorial Site on Electronic Projects, From Concept to Creation)
• https://www.titlemax.com/articles/title-pros-tinkering-guide/
  
• https://www.homeadvisor.com/r/residential-electrical-circuit-help/
• Introductions to Microelectronic Circuits (prof. C. Chang-Hasnain)
  PDF: Local pdf
  Source: Source link
• Review of all Circuit basics (MIT)
  PDF: Local pdf
• Electronic Circuits (G. Kovacs, Stanford)
  PDF: Local pdf
• Various Lectures on Analog circuits and Communications (M. H. Perrot)
  Link: Communication Principles, Analog Circuits, Phase locked loops,...