Arduino Project Ideas For Beginners

Rancho Labs
6 min readJun 23, 2021

Hello there, you DIY enthusiast! Looking for some innovative projects to help you grow your creativity and technical skills?You’ve arrived at the right place. Here,we’ve compiled a collection of some of the finest and most interesting Arduino project ideas that are extremely fascinating to develop and execute.

Arduino is an open-source electronics platform that integrates open-source software and hardware to make it easy for people to build interactive projects.You can get Arduino-compatible single board computers and design something interesting with them.

The hardware includes an open-source hardware board designed on an 8-bit Atmel AVR or a 32-bit Atmel ARM microcontroller.To utilise the Arduino IDE and construct something, you’ll need to know the Arduino language in addition to the hardware.

List of Arduino Projects

1. Robot Arm with Controller

If you want your robot to perform any task while still having physical control over it, one of the most helpful Arduino projects is the robot arm with a controller.It’s based on the Arduino UNO board,in case you’re wondering.

Technical Requirements: The components you would require for this project are- Arduino UNO, Servo Motor- MG995, Servo Motor- DS3115 and a Rotary Potentiometer, along with Arduino IDE software.The robot arm employs three standard PWM servos, with each angle controlled by a variable resistor. The rotary potentiometer has a B curve resistance of 10k ohm.In the vertical direction, two DS3115 servo motors are utilised, and in the swing direction, one MG995 servo motor is employed. There is a placement hole for screwing through to the knob of the rotary potentiometer, as well as a dent for inserting the knob. To finish, assemble the manufactured pieces and three rotary potentiometers.

You will have a robot arm for which you can also create a cover to improve its use, and you will be able to utilise it for a number of purposes. For example, you might use the robot arm to clean the garbage or do any other task when you’re not interested in performing it by yourself.

For a more detailed guide to build this project,you can access this- Robot Arm With Controller.

2. Musical Instruments Using Arduino

Feel the vibrations and energy of your body. This project explains how to build an electronic instrument that interprets hand waves into music. The Arduino is programmed to interpret hand-waving over the 3D gesture Flick board to musical notes and then compose music to produce audio output at the GPIO pin.

Technical requirements: The components you would require for this project are- Ardunio UNO,Pi supply Flick Large,Resistor,Capacitor and a USB Type A to Type B cable, along with Arduino IDE. Fit the Flick large board into the case and connect it to the Arduino.Cut excessive length of the flick large board and reconnect it. Connect the audio output cable and low-pass filter to the Arduino.connect wires with resistor and capacitor Connect the Active Speaker to the Arduino’s audio output, and then Arduino to your PC using a USB type A/B cable.

And that’s all; now you may move your hand over the Flick board, and music will play if everything is in place. You may adjust the octave by tapping the left or right electrode on the Flick board’s edges.

Here is a reference guide: Play music with arduino.

3. RFID System

RFID tagging is a type of identification system that uses small radio frequency identification devices for tracking purposes.An RFID tagging system comprises the RFID tag,a read/write device, and a host system application for data collection, processing, and transmission.

An RFID system,for example, can be used to open a door. Only the person having the correct information on his card is permitted to enter. An RFID system employs the tags which are attached to the object to be identified,a two way radio transmitter-receiver, and the reader that sends signals to the tag and reads its response.

You will need to type out the necessary code for this project,before which you must download the required library for the sensor from this repository. After doing so,you should restart your Arduino IDE which would then be ready to take commands and execute it. After entering all the code, Ardunio would be ready to get connected with the RFID reader.

For a more detailed guide, you can refer here: RFID reader with Arduino.

4. Smoke Detector

This may be one of the finest Arduino projects available. You don’t have to spend a lot of money to equip your home with smoke detectors; you can do it with a DIY solution to some extent.This project will assist you in developing a device that can detect smoke and flammable gases using a MQ-2 sensor.

The components required for this project are- Arduino UNO, MQ-2 Smoke detection sensor,connecting wires,5 mm Red LED, 5 mm Green LED, Buzzer and a Resistor of about 221 ohm

The MQ-2 smoke sensor detects smoke as well as it is sensitive to gases: LPG

Butane,Propane, Methane, Alcohol, Hydrogen. There is a built-in potentiometer in the smoke sensor that allows you to adjust the sensor sensitivity based on how accurately you want to detect gases.

The sensor’s output voltage varies in response to the amount of smoke/gas in the environment.Higher the gas concentration, higher the output voltage’ and vice-versa. The output can be in the form of Analog signal or Digital signal.

You can access a detailed guide of the project here.

5. Motion Following Camera

This project is essentially to replace your home security camera, which may be confined to a fixed video recording angle. The same camera may be converted into a motorised camera that follows motion.So whenever it senses any movement, it will change its angle in an attempt to follow the motion.

The components required for this project are-Arduino UNO, an e-camera, a Capacitor of about 100 µF,LED,PIR Motion Sensor ,Resistor of about 220 ohm and Servos.

This device detects movement within a 180º radius using 5 PIR motion sensors. Whenever motion is detected, the servo motor rotates the base of the camera to point in that direction. There are also 5 LED status lights inside the base that will glow if any one of the PIR sensors senses motion.

For a detailed guide,visit here.

Arduino is ideal for hobbyists,creative individuals, and those just getting started in robotics because of its affordability, ease of use, and large online following. It’s simple to learn how to do basic things with the Arduino. At the same time, it is capable of doing quite sophisticated things if you’re a developer who can make use of it. Try your hands at these simple Arduino projects and have fun!

--

--

Rancho Labs

Tech enthusiasts fostering young minds to have a strong foothold in Coding | Robotics | Artificial Intelligence.