Simple battery-status indicator uses two LEDs - EDN
9v battery to parallel 3v LEDs - burnout - Electrical Engineering Stack Exchange
3 Simple Ways to Light an Led Bulb with a Battery - wikiHow
Easy LED Current Limiting Resistor Calculator In 3 Steps
3 Simple Ways to Light an Led Bulb with a Battery - wikiHow
LED VoltMeter Circuit
How to use LED circuit in basic ways | ElecCircuit.com in 2021 | Led projects, Circuit, Led
Light-Emitting Diodes (LEDs) - learn.sparkfun.com
How to Use a 3W Star LED – Kitronik Ltd
What is an LED?
Basics: Picking Resistors for LEDs | Evil Mad Scientist Laboratories
Create Your Own Battery Backup Power Supplies - Projects
Running LEDs from an AC supply | LEDs Magazine
How Do LED Lights Work? | Tips and FAQs for Wiring LED Lights & More – Evan Designs
50Pcs 3/5/10mm Pre-Wired Round Water Clear Emitting Diode LED Lights DC 9-12V (White Light-10mm) - - Amazon.com
Forward Voltage and KVL | All About LEDs | Adafruit Learning System
How Does a 5mm LED Work? - LEDSupply Blog
Light Emitting Diode or the LED Tutorial
How to use LED circuit in basic ways | ElecCircuit.com
3 Simple Ways to Light an Led Bulb with a Battery - wikiHow
How to connect LED with 9v battery - Resistor, LED, 9v battery connection tutorial - YouTube
How Does a 5mm LED Work? - LEDSupply Blog
