For this Basic Servo Motor Arduino Code tutorial, we are using TowerPro SG-5010 Servo Motor, this should work for the cheaper TowerPro SG-90 Servo Motor or other simillar servo motor as well...
10 Free PCB Design Software
How to make a circuit that will allow you to use dead batteries to power your electronics. The Joule Thief circuit explained. http://graywolfsurvival.com/2491/the-joule-thief-a-preppers-best-friend-for-dead-or-homemade-batteries/
Types of Motors | Adafruit Motor Selection Guide | Adafruit Learning System
How to Safely Take Apart a Microwave and What to Do With the Parts #DIY #tech
Solar Powered WiFi Weather Station
This is a simple 230v LED Driver circuit diagram which is used for home lightening systems and also can be used as an indicator.
It works with the techno, or as I like to call them, tech-yes.
Mains Operated LED Circuit Diagram. Source Link: http://www.electronicshub.org/mains-operated-led-light-circuit/