Understanding the Pull-up/Pull-down Resistors With Arduino : 6 Steps - Instructables
Revisiting Resistors | All About LEDs | Adafruit Learning System
Android Basics and User Interfaces
SIK Experiment Guide for Arduino - V3.2 - SparkFun Learn
Sensors and leds. This need resistors? and how? - Arduino Stack Exchange
How to blink an LED using an Arduino Uno - Michael Schoeffler
led - what is the importance of the resistors that connect to push buttons ? can i replace them by wires? - Arduino Stack Exchange
Arduino Tutorial - Lesson 3 - Breadboards and LEDs
L1: Turning on an LED - Physical Computing
Arduino Tutorial - Lesson 3 - Breadboards and LEDs
Multiple LEDs & Breadboards With Arduino in Tinkercad : 5 Steps (with Pictures) - Instructables
Arduino - Turn LED ON and OFF With Button - The Robotics Back-End
Finding the right resistor for your circuit | by Rodrigo Sousa Coutinho | Arduino Playground | Medium
Use Resistor With Arduino LED Project : 4 Steps - Instructables
Arduino: LEDs and resistors
Overview | All About LEDs | Adafruit Learning System
Bad Tutorial? Connect an LED directly to pin 13 without resistor? - Website and Forum - Arduino Forum
L1: Turning on an LED - Physical Computing
Breadboard Layout | Arduino Lesson 2. LEDs | Adafruit Learning System
Fading led with LDR(Light Dependent Resistor) using Arduino uno
