The 1.25V Trick That Gives You Any Voltage You Want

Learn how voltage regulators actually work and how to design and build one. Learn how an LM317 adjustable voltage regulator turns unregulated DC into a smooth, stable output for electronics projects. In this video, we build a DIY adjustable power supply, explain how resistors and a potentiometer...

28 min - How Things Work - The Engineering Mindset

More: Electricity & Electronics documentaries

Read Deeper: Electricity & Electronics

1. Chip War by Chris Miller (5/5) - View on Amazon
2. Electric Universe by David Bodanis - View on Amazon
3. Code by Charles Petzold (4.2/5) - View on Amazon
4. Basic electronics by Bernard Grob - View on Amazon
5. Electrical wiring, industrial by Smith, Robert L. - View on Amazon

Watch Next

• The Secret Spy Tech Inside Every Credit Card (29 min, Veritasium)
• How Electricity Actually Works (25 min, Veritasium)
• How Do Night Vision Goggles Work? (27 min, Veritasium)
• Mechanical circuits: electronics without electricity (19 min, Steve Mould)
• The Most Confusing Part of the Power Grid (22 min, Practical Engineering)
• How Apple AirPods Work (18 min, Real Engineering)
• Handheld TESLA COIL GUN at 28,000fps - Smarter Every Day 162 (11 min, Smarter Every Day)
• Fantastic DIY Speakers for less than $30! (31 min, Tech Ingredients)