Tutorials

Arduino Projects

Explore best useful Arduino Projects and tutorials with working principle, pinout, detailed wiring diagram & step-by-step code explanation.

All Sensors Modules Displays Motors Wireless & IoT

Sensors

How HC-SR04 Ultrasonic Sensor Works & Interface It With Arduino

Give your next Arduino project bat-powers with the HC-SR04 Ultrasonic Distance Sensor that can report...

How HC-SR501 PIR Sensor Works & Interface It With Arduino

Whether you want to build a home burglar alarm or a trail camera, or perhaps...

Interfacing DHT11 and DHT22 Sensors with Arduino

Want to keep a log of the climate in your greenhouse, build a humidor control...

Interface DHT11 Module With Arduino

Want to keep a log of the climate in your greenhouse, build a humidor control...

Interfacing AM2320 Temperature & Humidity Sensor with Arduino

Want to keep a log of the climate in your greenhouse, build a humidor control...

Interfacing LM35 Temperature Sensor with Arduino

One of the easiest and inexpensive ways to add temperature sensing in your Arduino project...

How MQ2 Gas/Smoke Sensor Works? & Interface it with Arduino

Give your next Arduino project a nose for gasses by including the MQ2 gas sensor...

How MQ3 Alcohol Sensor Works? & Interface it with Arduino

Give your next Arduino project a nose for alcohol by including the MQ3 alcohol sensor...

How RCWL-0516 Microwave Radar Motion Sensor Works & Interface It With Arduino

For most of our Arduino projects that require knowing if someone has left or entered...

Interfacing DS18B20 1-Wire Digital Temperature Sensor with Arduino

One of the simplest and cheapest ways to incorporate temperature sensing into your Arduino project...

Interfacing Multiple DS18B20 Digital Temperature Sensors with Arduino

One of the DS18B20’s features is that multiple DS18B20s can coexist on the same 1-Wire...

Interfacing MAX6675 Thermocouple Module with Arduino

If you want to measure temperature with an Arduino, there are many sensors to choose...

Interfacing SHT31 Temperature & Humidity Sensor with Arduino

Want to keep a log of the climate in your greenhouse, build a humidor control...

Interfacing HTU21D Temperature & Humidity Sensor with Arduino

Want to keep a log of the climate in your greenhouse, build a humidor control...

Interfacing Reed Switch with Arduino

If you’ve seen a laptop or a cellphone that flips open like a clamshell, you’ve...

Interfacing Ball Tilt Switch Sensor with Arduino

If you want to detect when something is moved, tilted, or shaken without getting into...

Interfacing Soil NPK Sensor with Arduino

Your plants, like you, require food. In order to be healthier and more productive, plants...

How Soil Moisture Sensor Works and Interface it with Arduino

When you hear the term “smart garden,” one of the first things that comes to...

Interfacing Capacitive Soil Moisture Sensor with Arduino

Keeping a houseplant alive can be a tough job, right? And often, it’s just about...

Interface Sound Sensor with Arduino and Control Devices With a Clap

Ready to give your next project an ear? These sound sensors are inexpensive, simple to...

How Water Level Sensor Works and Interface it with Arduino

If you’ve ever had a water heater explode or attempted to build submersible electronics, you...

How Rain Sensor Works and Interface it with Arduino

With the weather being as unpredictable as ever, it’s easy to leave your skylights open,...

Interfacing Force Sensing Resistor (FSR) with Arduino

A Force Sensing Resistor, also known as a Force Sensor, or simply an FSR, is...

Interfacing Flex Sensor with Arduino

A flex sensor, also known as a bend sensor, is a low-cost, simple-to-use sensor used...

Monitor the Heart Rate using Pulse Sensor and Arduino

The Pulse Sensor is a well-designed low-power plug-and-play heart-rate sensor for the Arduino. Anyone who...

Interfacing MAX30100 Pulse Oximeter and Heart Rate Sensor with Arduino

The MAX30100 pulse oximeter and heart rate sensor is an I2C-based low-power plug-and-play biometric sensor....

Interfacing MAX30102 Pulse Oximeter and Heart Rate Sensor with Arduino

The MAX30102 pulse oximeter and heart rate sensor is an I2C-based low-power plug-and-play biometric sensor....

Interface BMP180 Barometric Pressure & Temperature Sensor with Arduino

Give your next Arduino project the ability to sense the world around it with BMP180....

Interface BME280 Temperature, Humidity & Pressure Sensor with Arduino

Bosch’s BME280 is a precision sensor used in a myriad of applications ranging from weather...

Interface BME680 Environmental Sensor with Arduino

Want to build a personal air quality tracker that tells if your bedroom, your workshop,...

Interfacing BMP388 Barometric Pressure Sensor (Altimeter) with Arduino

A lot of people are flying drones these days, and knowing the altitude your drone...

Interfacing MS5611 Barometric Pressure Sensor with Arduino

Whether you want to know what altitude your RC aircraft reached, the elevation of the...

Interfacing TMP36 Temperature Sensor with Arduino

One of the easiest and inexpensive ways to add temperature sensing in your Arduino project...

Interface MLX90614 Non-contact Infrared Temperature Sensor with Arduino

Since the emergence of COVID-19, non-contact infrared temperature scanners have been popping up everywhere around...

What is RFID? How It Works? Interface RC522 RFID Module with Arduino

Gone are the days when people waited in long checkout lines at the grocery store,...

Interfacing TCS230/TCS3200 Color Sensor with Arduino

Color sensors provide more reliable solutions to complex automation challenges. They are used in various...

How Accelerometer works? Interface ADXL335 with Arduino

Have you ever wondered how your smartphone knows which way is up? It’s one of...

Interface MPU6050 Accelerometer and Gyroscope Sensor with Arduino

As kids, the gyroscopes at the science fair never failed to amaze us because they...

Interfacing TFMini-S LiDAR Sensor with Arduino

The self-driving car is technology’s biggest gift to civilization since the birth of the Internet....

Modules

Interface DS1307 RTC Module with Arduino

We are all aware that most MCUs used in our projects are time-agnostic; that is,...

Interface DS3231 Precision RTC Module with Arduino

We are all aware that most MCUs used in our projects are time-agnostic; that is,...

Interface One Channel Relay Module with Arduino

In your upcoming project, you might want to use your Arduino to control a high-voltage...

Interface Two Channel Relay Module with Arduino

In your upcoming project, you might want to use your Arduino to control a high-voltage...

Interface 4×3 & 4×4 Membrane Keypad with Arduino

Membrane keypads are an excellent starting point for adding key input to a project because...

How Rotary Encoder Works and Interface It with Arduino

We are surrounded by rotary encoders without even realizing it, as they are used in...

How 74HC595 Shift Register Works & Interface it with Arduino

One of the nice things about the Arduino is that it has a fair amount...

How 2-Axis Joystick Works & Interface with Arduino + Processing

When you hear the word thumb joystick, the first thing that comes to mind is...

Interfacing Micro SD Card Module with Arduino

Every now and then, you get an idea for an Arduino project that needs a...

Create Your Own CAN Network With MCP2515 Modules and Arduino

In the old days, cars had more than 2,000 meters of cable in them, connecting...

Interfacing Voltage Sensor with Arduino

The Arduino Uno, like many microcontrollers, has a built-in Analog to Digital Converter (ADC) that...

Displays

Interfacing 16×2 Character LCD Module with Arduino

The Serial Monitor is a convenient way to view data from an Arduino, but what...

Interface an I2C LCD with Arduino

If you’ve ever attempted to connect an LCD display to an Arduino, you’ve probably noticed...

How Seven Segment Display Works & Interface it with Arduino

How many times have you seen a classic movie in which the hero has to...

Interface OLED Graphic Display Module with Arduino

Tired of using character LCD displays in your Arduino projects over and over? Well! They...

Interfacing TM1637 4-Digit 7-Segment Display with Arduino

A 4-digit 7-segment display is a must-have for any project involving a clock, timer, or...

Interfacing MAX7219 LED Dot Matrix Display with Arduino

Dot matrix displays are something that all Arduino enthusiasts come across at some point. These...

Interface Nokia 5110 Graphic LCD Display with Arduino

Think back to the pre-iPhone era, when the only time you touched your phone’s tiny...

Controlling WS2812B Addressable LEDs with Arduino

Whether you call them individually addressable RGB LEDs, WS2812B, or NeoPixels, there’s no denying that...

Motors

How Servo Motor Works & Interface It With Arduino

There are many motors to pick from, but it’s important to pick the right one...

Control 28BYJ-48 Stepper Motor with ULN2003 Driver & Arduino

We are surrounded by stepper motors without even realizing it, as they are used in...

Control DC Motors with L293D Motor Driver IC & Arduino

If you’re planning on assembling your new robot friend, you’ll eventually want to learn how...

Control Stepper Motor with L293D Motor Driver IC & Arduino

One of the easiest and inexpensive way to control stepper motors is to interface L293D...

Control DC, Stepper & Servo with L293D Motor Driver Shield & Arduino

If you intend to build your own robot, you’ll need to control various motors like...

Interface L298N DC Motor Driver Module with Arduino

While you’ll eventually need to learn to control DC motors in order to build your...

Control Stepper Motor with L298N Motor Driver & Arduino

If you are planning on assembling your new robot, you will eventually want to learn...

Controlling DC Motors with DRV8833 Motor Driver and Arduino

Without a doubt, L293D and L298N are the go-to motor drivers for Arduino projects. They...

Control Stepper Motor with A4988 Driver Module & Arduino

For single-stepper-motor applications, a driver like the L298N is fine, but if you want to...

Control Stepper Motor with DRV8825 Driver Module & Arduino

For single-stepper-motor applications, a driver like the L298N is fine, but if you want to construct your...

Wireless & IoT

Send Receive SMS & Call with SIM800L GSM Module & Arduino

Whether you want to monitor your home from afar or activate the sprinkler system in...

Send Receive SMS & Call with A6 GSM Module & Arduino

Whether you want to listen to what happens in your house that’s miles away from...

Send Receive SMS & Call with SIM900 GSM Shield & Arduino

Whether you want to monitor your home from afar or activate the sprinkler system in...

Interfacing HC05 Bluetooth Module with Arduino

Bluetooth is everywhere nowadays. It’s a word we hear all the time and is in...

Configuring the HC-05 using AT commands

Anyone tinkering with the HC-05 bluetooth module will eventually have to use what are called...

Making Two Arduinos Communicate Wirelessly Using HC-05 Bluetooth Modules

Having two or more Arduinos able to communicate with each other wirelessly opens up a...

How nRF24L01+ Wireless Module Works & Interface with Arduino

Having two or more Arduinos able to communicate with each other wirelessly opens up a...

How 433MHz RF Tx-Rx Modules Work & Interface with Arduino

Interested in making your next Arduino project wireless for the price of a cup of...

Interface ublox NEO-6M GPS Module with Arduino

Give your next Arduino project the ability to sense locations with the NEO-6M GPS module...

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