Dive into the world of linear DC power supplies with this comprehensive tutorial video. Learn the fundamental differences between linear and switching power supplies, explore key components, and witness practical demonstrations of rectifiers and voltage regulators. Then, apply your newfound knowledge by building a custom variable DC power supply capable of delivering 2-20 VDC at up to 2.5 amps. Follow along as the instructor guides you through component selection, circuit hookup, chassis construction, and safety-first layout considerations. Gain essential skills for electronics experimentation and create a valuable addition to your workbench. Access additional resources, including a parts list and related articles, to further enhance your learning experience.