Build | Fix | Re-use

Category Frequently Asked Questions

How Do Transistors Work? (Chip Level Explanation)

Ever wondered how transistors work? In the below video, Dave explains how BJT and MOSFET transistors work at the silicon chip level. How does a BJT transistor actually amplify current? P and N type doping, charge carriers, conduction channel, field effect, holes and electrons, etc. You can join the discussion forum here.  

Eskom – What a Total Blackout Could Be Like

The following video featured on National Geographic simulates what a total power outage could be like. The footage shown is not real but it gives you a rough idea of what would happen should the national power grid fail. I imagine it would be similar in that power outages would start in the form of load shedding perhaps stage 3 or more and then would become more and more frequent

Continue reading…

How can I make my five-year-old Windows laptop run faster?

Hugh wants to keep his Toshiba Satellite P500 because he likes the 17in screen, but it’s getting creakier. Can he make it run like new?

What is the internet of things?

Google searches have been filled with questions about the internet of things. What is it and why does it matter? Is it safe? Is it even real? Here are some answers

What Is A Raspberry Pi

Arguably one of the cheapest Linux powered computers on the planet right now, the Raspberry Pi is a small credit card sized circuit board developed in the UK by the Raspberry Pi Foundation and was designed to teach young kids programming skills and to get a better understanding of how computers work. But since it’s launch because of its easy to use nature people of all ages young and old from all

Continue reading…

  • 1 2