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Paulo Oliveira

Paulo Oliveira is an Electronics Engineer, hobbyist, and photographer. You can follow his work at his website –

Paulo's Articles

Adjustable Electronic Load Using Incandescent Lamps
July 2016
To properly test a power supply, an adjustable load is just the ticket. See how I saved some of my light bulbs from extinction by using them as visual indicators in this adjustable electronic load.

Build a Sound-Activated Laser Parking System
May 2012
If you’d like to break free from your “hanging tennis ball” method of parking, check out this approach which utilizes two ordinary low power laser pointers.