Electronics
Power Supplies and Regulators
Power Your Projects the Right Way
A stable and accurate power source is essential for many electronic devices to work properly. There are many ways to achieve this, from battery packs to solar panels and even wirelessly. Interested in learning more? Browse the tutorials below!
How to Build a Linear Power Supply
Understand how linear power supplies work and how to build one with this step-by-step guide.
How to Make Voltage Regulator Circuits
Learn how voltage regulators work and how to build three different voltage regulator circuits.
How to Build a Switch Mode Power Supply
Learn the benefits of switch mode power supplies, how they work, and how to build them. Complete with schematics and detailed instructions.
How to Build a DC to AC Power Inverter
Learn how to build a power inverter that takes DC from a 12V battery and converts it to a 110V/220V AC current. Detailed instructions and schematics provided.
How to Build a Wireless Power Transmitter
Learn how to build a wireless power transmitter that can charge a device without any charging cables!
A Guide to Building Battery Chargers
Learn how to build battery chargers for sealed lead acid, NiCd, NiMH, and LiPo batteries.
How DC-DC Converters Work
Learn how to increase and decrease DC voltages with this deep dive into boost converters and buck converters.
Complete Guide to Electronic Protection Circuits
Take an in-depth look at the methods and circuits used to protect electronic devices. Includes instructions and schematics for implementing each design.
How to Build a Solar Powered Battery Charger
Learn how to build a solar powered battery charger, how to pick the right size solar panel for your project, and how to use solar panels for large applications.