Here a simple 1 watt LED driver circuit based on a modified joule thief design, runs on a 1.5V single AA or AAA cell. I got the concept of this […]
Make your own DuPont jumper wires easily
Jumper wires or DuPont wires are popular for fast prototyping, widely used on breadboard project. Straight to the point, this tutorial is for beginners, who are struggling with jumpers. Making your […]
1W to 5W led driver circuit with 12V input
This led driver circuit explains how you can power up 0.5W to 5W LED strips directly from a 12V lead-acid battery without wasting much power or blowing up the LEDs. […]
DIY PoE injector for 10/100M Ethernet
So it's pretty frustrating to run a separate power cable to outdoor/distant networking devices like outdoor access points, IP cameras, VoIP phones. That's when PoE is useful, and now we're going […]