Joule thief - getting power from dead batteries
How-To: Diodes : 6 Steps (with Pictures) - Instructables
3 Simple Ways to Light an Led Bulb with a Battery - wikiHow
3 7v Battery Charge Full & Low Level Indicator - YouTube | Electronics mini projects, Electronic circuit projects, Electronic circuit design
How to make 12 Volt Lead Acid Battery Charger Circuit
1.5V LED torch circuit or flashlight - ElecCircuit.com
How to Install a Diode Isolator with an Alternator - Seaboard Marine
9 Simple Solar Battery Charger Circuits - Homemade Circuit Projects
How-To: Diodes : 6 Steps (with Pictures) - Instructables
Ideal Diodes when using multiple batteries - Blog - ArduPilot Discourse
3 Simple Ways to Light an Led Bulb with a Battery - wikiHow
Which Resistor Should I Use with my LED? – Kitronik Ltd
Reverse Polarity Protection Circuit using Diode OR P-Channel MOSFET
LEDs for Beginners : 9 Steps (with Pictures) - Instructables
How Schottky Diodes Work | EAGLE | Blog
9 Simple Solar Battery Charger Circuits - Homemade Circuit Projects
How Electronic Components Work
Ideal Diodes when using multiple batteries - Blog - ArduPilot Discourse
Button Batteries/ Coin Cells and Simple Circuits
How-To: Diodes : 6 Steps (with Pictures) - Instructables
LEDs for Beginners : 9 Steps (with Pictures) - Instructables
Light-Emitting Diodes (LEDs) - learn.sparkfun.com
Signal Diode and Switching Diode Characteristics
How-to: Replacing an Electrical System - Sail Magazine
No-Brainer Method | Let's Put LEDs in Things! | Adafruit Learning System
Tutorial 1: Building a Circuit on Breadboard for Beginners in Electronics
