NMR:

• The Basics of NMR: Joseph P. Hornak, Ph.D.
• NMR Lectures by G. Moyna
• 2D NMR Spectroscopy by M. Bria, P. Watkin, and Y. Plancke
• NMR Lectures by Nagarajan Murali
• Structure Determination of Proteins with NMR Spectroscopy by H. J. Schirra
• High-Resolution NMR Techniques in Organic Chemistry(2nd Edition) Edited by Timothy D.W. Claridge
• NESG Wiki
• NMR Lectures by James Keeler
• Advanced NMR Spectroscopy by Charlie Fry et. al.
• Structure Determination Using NMR by Hans J. Reich
• EMBO Practical Course NMR-Practical and Lecture Handouts Public
• Great NMR Blog at University of Ottawa
• NMR Periodic Table
• Spin Dynamics lecture by Ilya Kuprov
• NMR basics by Keith Brown at University of Saskatchewan

Selective list of NMR research groups:

• Bax Group
• Clore Lab at NIH
• Gross Lab
• Hong Lab
• Kay Group
• Manchester NMR Methodology Group
• Montelione Lab
• Opella Lab
• Palmer Lab
• Pines Lab
• Prestegard Lab
• Wagner Lab
• Wright Lab

ELECTRONICS:

• Design Electronics by W. D. Phillips
• Electronics Courses and Tutorials: Gert van den Heuvel
• Electronics: Physics 395 University of Alberta by D. M. Gingrich
• Electronics for Beginners/Intermediate Electronics by Graham Knott