Trinket Question (Help) - General Electronics - Arduino Forum
LilyPad Basics: E-Sewing - SparkFun Learn
Five LED/Battery Holders : 5 Steps - Instructables
Blinking Blue- Powering a 3.7 volt LED from a 2.4 volt coin cell with a $0.02 charge pump | josh.com
Driving a high voltage blue LED from low voltage coin cell using a super cheap charge pump circuit - YouTube
Maker Education Camp: Circuit Crafts | User Generated Education
Single Cell Boost Converter Circuit using Coin Cell – 5V Output
Six LEDs using one 3 V button cell - Electrical Engineering Stack Exchange
CR2032 Button Cell Holder - Bare Board, Kit or Assembled
Working with RGB LEDs – All You Need To Know – Moonpreneur
boost - Cheap way to power blue LED on coin cell - Electrical Engineering Stack Exchange
Learn how to make a VERY simple circuit | Makerspaces.com
Light it Up - Maker Camp
Light-Up Paper Helicopter | Chibitronics
Button Batteries/ Coin Cells and Simple Circuits
small circuit board found while hiking. center is a button. battery was attached underneath. LED lamp ? : r/whatisthisthing
Project 3.0 (Coin battery 3v without resistor)
Button Batteries/ Coin Cells and Simple Circuits
Circuit Diagram | Tiny TARDIS Pendant | Adafruit Learning System
Lithium Coin Cell Charger for Rechargeable Coin Batteries - Electronics-Lab.com
Hackaday Prize Entry: A PCB To Emulate Coin Cells | Hackaday
Blinking Blue- Powering a 3.7 volt LED from a 2.4 volt coin cell with a $0.02 charge pump | josh.com
DIY How To Connect LED with 3V Lithium Battery - Easy Science Project For Kids - YouTube
Paper Circuits | Exploratorium
