0087 - Change the output of SMPS Wall Warts.

How To MOD / HACK Change ANY Switch Mode Power Supply Output Voltage. An SMPS Tutorial Guide.

Keep Your Old Power Adapters!!!

Linear DC Power Supplies - Designing & Building Custom DC Power Supplies

Laptop power supply with PFC - teardown and repair (BOOM!)

Inside an audio isolator transformer module.

#1087 Do audio transformers add distortion? reprise

How to make an adjustable power supply in 5 minutes

0120 - Cordless Light Repair

Power Supply Troubleshooting and Repair Tips

0099 - Build a Wall-Wart Eliminator for your Lab: Part 1

[390] How To Modify Switch Mode Power Supply (SMPS) Increase / Decrease / Adjust Output of SMPS

Hidden Thermal Fuses in Transformers. Please watch update also!

Ecto Goggles Light & Sound Kit

Transformer Repair?12 Volt Transformer Repair!

Three Simple Ways to Find the Primary and Secondary of a Transformer

Uni-Byte 0222 - Does the OWON XDM2041 Do The Business?

TTE 39 Logitech M500 - Unintentional Double Click Repair

How To Make Low Cost Multi Turn Potentiometer

DIY EURORACK | Affordable Power Supply For Your Modular Synth

Power For Your Electronics Projects - Voltage Regulators and Converters