Online (free) course material by Pranav Bhounsule https://tiny.cc/pranavb

CoppeliaSim (a simulator with CAD type interface)
version 4.1.0 using Lua https://tiny.cc/coppeliasim410
version 4.3.0 using Lua https://tiny.cc/coppeliasim430
version 4.5.1 using Python https://tiny.cc/coppeliasim451

MuJoCo (a simulator with coding like environment)
using v 200 C language https://tiny.cc/mujoco
using v 221 Python https://tiny.cc/mujocopy

Robotics (kinematis/dynamics/control)
Notes, code, and video lecture. Uses MATLAB https://tiny.cc/robotics
Notes, code, and video lectures. Uses Python https://tiny.cc/roboticspy
Notes, code, and video lectures. Uses Coppelia+Python https://tiny.cc/robotics23

Mechatronics (analog/digital/sensors/actuators)
Notes and video lectures. Labs based on Arduino and TinkerCAD https://tiny.cc/mechatronix

Legged Locomotion(walking and running robot simulations)
Notes, code, and videos lectures. Uses MATLAB and CoppeliaSim 4.1.0 https://tiny.cc/legged