Chapter 2: Building a circuit step by step – Arduino to Go
Forward Voltage and KVL | All About LEDs | Adafruit Learning System
What Resistor Do I Need For an LED | DigiKey Electronics
Simple Basic LED Circuit (How to Use LEDs) : 4 Steps - Instructables
Which Resistor Should I Use with my LED? – Kitronik Ltd
ninevolts / LED calculator
50 x 12v 3mm LED Light Red Ultra Bright Internal Resistor 5v-15v 9v 6v 14v 7 no | eBay
10pcs 10mm Prewired Led Light Emitting Diode Dc 5v 6v 9v 12v Bright White Red Green Blue Yellow Pre Wired Resistor Lamp Bulb - Diodes - AliExpress
Amazon.com: 5mm 9v Pre-Wired Red LED - Ultra Bright (7v, 8v, 9v) (Pack of 20) : Industrial & Scientific
Bowerful 50pcs 12V 5mm Yellow/Amber LED 9V - 12V Gauge Cluster Instrument Light Emitting diodes: Amazon.com: Industrial & Scientific
Guide to LEDs and resistors
9v ldr circuit | mini project for ece » Freak Engineer
Resistor-led-circuit-sizing - The Engineering Mindset
Amazon.com: 3mm 9v Pre-Wired Red LED - Ultra Bright (7v, 8v, 9v) (Pack of 20) : Industrial & Scientific
Simple LED circuit with 9V battery – helloCircuits!
5 x 12v 3mm LED Light Blue Ultra Bright Internal Resistor 5v-15v 9v 6v 14v no | eBay
How to Connect Led to 9v Battery Using Resistors : 6 Steps - Instructables
Prewired Led Kit + 9V Battery Clip Holder
Simple LED Circuit Diagram
Basic LED circuit, 9v battery, what resistors to use? | Physics Forums
How to Connect Single LED to 9V Battery with Resistor & ON/OFF Switch | Connection Tutorials - YouTube
