My favorite resources
MATH | Professor Leonard
From Pre-Algebra to Differential Equations
Engineering | Jeff Hanson
Statics, Dynamics & Mechanics of Materials
Controls Engineering | Steven Brunton
From intro to controls to machine learning
Controls Engineering | Brian Douglas
From theory to real life applications
Engineering | CPPMechEngTutorials
Heat transfer, Thermodynamics & Fluid Mechanics
EngineersTeaTime 