Arduino AppLab Bricks → Marketing Garbage or New Powerful Interface?

New Ventuno Q Dual Brain Single Board Computer

How to Add Python Packages in Arduino AppLab (No pip install needed)

Kit-on-a-Shield Schematic Review

Just how random is the ESP32 random number generator?

Arduino breadboard projects

Using Arduino to measure RPM

How to Fix Arduino Nano ESP32 Upload Issues

A fatal error occurred: Unable to verify flash chip connection #ESP32

The Ultimate Guide to Using a Solderless Breadboard with Arduino

How to Combine two (or more) Arduino sketches [a MUST watch for new programmers]

Can the Arduino Giga tell your future?

Model Traffic Lights with Arduino

Enable your ESP32 to play MP3s

ESP32 and a Gravity Voice Control Sensor

The ESP32 Simulator you’ve been looking for!

Using a Servo Controller with an ESP32

Making a BLE Client with your ESP32 [Guide + Code] 

Making a BLE Server with your ESP32 [Guide + Code] 

How to Control a Servo with an ESP32

IR Thermostat Control with Arduino

Arduino BLE Library, Pointers, and Bitwise Operators – An unlikely combination!

Installing Arduino Libraries | Beginners Guide

Pumping poo! An IoT sewage project

Control your ESP32 with an Infrared TV Remote Control

How to update ESP32 firmware using web OTA [Guide + Code]

ESP32 BLE Beacon Scanner

How to update ESP32 firmware with an SD card [Guide + Code]

Using time features with your ESP32 [Guide + Code] 

VEML7700 Light Sensor for the ESP32 [Guide + Code]

VEML3328 Color Sensor for the ESP32 [Guide + Code]

How to use timestamps with ESP32 and micro SD card
[Guide + Code]

Using an SD Card with the ESP32 [Guide + Code]

Using Random Numbers with Arduino [SOLVED]

How to use SPIFFS for an ESP32 File System [Beginner Guide + Code]

ESP32 Hall Effect Sensor [Beginner Guide + Code]

Comment out Code – 3 Ways in Arduino IDE 1 and 2

How to use an External Reset Button with Arduino

Arduino Sketch with millis() instead of delay()

Floating Pins, Pull-Up Resistors and Arduino

Which Arduino to buy?

Secret Knock Detector project [Circuit + Code]

Use tone() with Arduino for an Easy Way to Make Noise

Use Serial.print() to Display Arduino output on your computer monitor

ESP32 WiFi Client mode for connecting to WiFi [explained for beginners]

ESP32 Deep Sleep Timer Wake-Up [Guide + Code]

ESP32 Deep Sleep Touch Wake-Up [Guide + Code]

Arduino UNO R4 WiFi evaluation

Get started with ESP32 touch buttons [Code and Wiring Diagram Included]

From Naptime to Action: ESP32 Deep Sleep with External Wake-Up

The EASY guide to Over-the-Air (OTA) Updates With ArduinoOTA

A Practical Guide to ESP32 Deep Sleep Modes

A repository of Arduino error messages and how to fix them.

Arduino Remote Sketchbook? Super helpful or a waste of time?

Arduino UNO R4 WiFi. Is this new board for you?

Is the Arduino UNO R4 for you? Find out here.

Self Balancing Cube? Is this black magic?!

Multiple display weather station using OpenWeather :: Member Project

How to code a NEOPixel Timer with Arduino

How to organize Arduino programs

Arduino Bending Machine Upgrade

Super easy and fun board game turn timer

Use the Arduino Mouse Library for automating simple tasks

Use the Arduino Keyboard Library for automating simple tasks

Thumby – the smallest game console in the world

Build your own ohmmeter!

3 Ways to Power Arduino

pong Arduino game you can fit in your pocket!

dtostrf() – turn your floats into strings

sprintf() with Arduino | Print multiple variables to the serial monitor

Arduino Nano Every – Solder on pin headers

DIY Hydroponics Garden w/Arduino and IoT

Serial Communication with Arduino

What is Serial.begin(9600)?

PetBit – an Arduino Fitbit for your hamster

Using parseInt() with Arduino [Guide + Code]

Using Serial.read() with Arduino

Useless Box with Arduino

Weather Station with digital and analog display :: Member Project

HC-SR Sensors and Servos :: Member Project

Digital Cribbage Board with Arduino :: Member Project

Swarf Dewatering with Arduino:: Member Project

IR Remote Controlled Scoreboard :: Member Project

Mini Bellagio Fountains with Arduino :: Member Project

Clock Stop – Getting time just right with Arduino :: Member Project

3D Printed Arduino Sorting Machine :: Member Project

Arduino Weather Indicator :: Member Project

Simple Arduino Button and Circuit

Arduino Line Following Robot for the Science Olympics :: Member Project

Arduino in Children’s Museum Exhibit “Put Out The Fire”

Arduino Parallax Shield Bot – Version 1 :: Member Project

Automated Plant Watering with Arduino Nano :: Member Project

Arduino Simulator Q & A

10 Arduino grove modules – plug and play with the seeedstudio grove system

Arduino millis() – The Beginners Guide to multi-tasking with Arduino using millis()

The Arduino Simulator you’ve been looking for!

Arduino Strong-Hand (Scary Movie 2 Tribute)

Arduino RGB Guessing Game :: Member Project

Hyperduino for teachers, integrating Arduino into the classroom

Sound Activated Electronics Kits – a great way to share your hobby

3 Arduino Jargon Terms That Confuse Everybody

Arduino Transducer Tester :: Member Project

Arduino Linear Actuator Control :: Member Project

What is Arduino?

11 Arduino Projects – They built what!?

Arduino Solar Power Control System :: Member Project

Doing multiple timed things with Arduino: Unleash the millis()!

Arduino Sugar Fill Machine :: Member Project

Arduino Animatronic skeleton co-pilot B.O.N.E.S. :: Student Project

When delay() should be millis() instead: Part 4

Arduino Smart Living Project and Winner of Arduino Day Community Challenge :: Student Project

Millis vs. Delay Part 3 | A mini-series on Timing Events with Arduino Code

Arduino Powered “Servo Bear” :: Student Project

delay() Arduino Function: Tight Loops and Blocking Code

Arduino first press buzzer game :: Student Project

millis() Arduino function: 5+ things to consider

Arduino with 1Sheeld and 4 Relay Board for Shop Door Opener and Light Toggle :: Customer Project

Arduino Compatible TinyArcade by TinyCircuits

PIR activated noise making Arduino controlled Stuffed Rabbit :: Student Project

Arduino Issue: LED flickers (on then off) when using switchcase and serial monitor input via the keyboard

Basic Battery Voltage Reader with Arduino :: Student Project

Automatic Stamper with an Adafruit Pro Trinket :: Student Project

Measuring the time interval cycle for the pendulum on large grandfather clocks using Arduino :: Student Project

LED lighting system for plastic UFO model using Arduino :: Student Project

RV Camper-Van Power Cabinet Fan Controller System with Arduino :: Student Project

Arduino RPM and Speedometer for Fast Bikes (or Cars) :: Student Project

Arduino Controlled NeoPixel Trident :: Student Project

Autonomous Robot with Arduino, a Single Board Computer, and More :: Student Project

Full Force STEM with teacher Chris Regini :: Student Projects

Homebrewing with Arduino – An Obsession with Fermentation

ESP8266 Auto Router Resetter

ESP8266 Controlled Gecko Habitat :: Student Project

Arduino Cat6 Cable Tester :: Student Project

Arduino RGB Mixing GUI:: Student Project

ESP8266 ESP-12E Arduino LUX Monitor/Controller w/ IFTTT API :: Student Project

Mini-Piano and more – Arduino in the Classroom

Arduino Animatronic Pirate Skull

Arduino Art Installation for special needs children: cLOUD

Arduino Aquaponics – Automating fish care

Arduino VU Meter with LCD

Joystick Controlled Light Show

HC-12 and Arduino Weather Station project [Code + Schematic]

Next Level Networking with the Arduino

Christmas Tree Defender Cat Diversion Laser Turret with Arduino

ESP8266 and ThingSpeak, a match made in IoT heaven

Can you actually simulate industrial controls with Arduino?

HC-06 bluetooth module controls LEDs on a Skateboard

Arduino Sound to Light NeoPixel display (450 NeoPixels!)

How to change the Arduino font color in IDE 1

Using wheelchair motors for a Hover Disk project

Arduino Controlled Battery Charger

Arduino Pseudo Random Numbers [Guide + Code]

A Review of Make: Magazine

10 Ways to Destroy an Arduino

Understanding the Arduino Sketchbook: Opening and Saving Arduino Sketches

Using the Same Input to Trigger Multiple Arduinos

What is a Breakout Board for Arduino?

What is an Arduino Shield?

Arduino Laser Tag Project Rejects

3D Printed PIR Arduino Nano Alarm Clock

Laser Tag and Arduino

Basic Home Automation Using Arduino :: Student Project

How to Make One Button Have the Functionality of Two or More with Arduino

Unique Arduino Lamp Retirement Gift (Member Project)

How to Assemble the DFRobot Pirate 4WD Mobile Platform

LED Stuffed Pumpkin :: Halloween Arduino Project

Want to be a spy? Arduino Car Tracker!

Arduino Laser Tag Land Mine Makes For Gory Battles

Arduino Circuit Breaker Simulator

How to set up an Arduino Library :: Video #1 :: Arduino Library Series

LED Knuckle Glove using miniaturized Arduino LilyPad [Ozzy Osbourne Knuckle Tattoo Wanna Be]

Using Arduino to charge and monitor capacitors

DCF77 Analyzer Clock :: Student Project

HIGH and LOW Arduino Pin States [Beginners Guide]

Program RGB LEDs with Arduino

3 Ways to Use Acceleration in an Arduino Sketch

How to Make an Arduino Water Detection Alarm

How to Use and Understand the Arduino Reference

How to set up an LCD with Arduino

Installing Processing :: Arduino Serial Communication Series

Serial Communication with Processing and Arduino

Electroluminescent Wire (EL Wire) with Clothes

Featured Video Lessons

Common Questions

Common Circuits

Popular Programming Lessons

Special Communication

Understanding Timing

Troubleshooting Common Errors

Useful Functions