8 Fun and Easy Arduino Projects to Try

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Source: Circuit City

Editor: strongerHuang

Arduino is a convenient, flexible, and easy-to-use open-source electronic prototyping platform. It is very easy for beginners to grasp while providing sufficient flexibility. Arduino is not only the world’s most popular open-source hardware but also an excellent hardware development platform and a trend in hardware development. With Arduino, we can easily create many interesting electronic designs. Here are 8 open-source projects from Circuit City to try out together!

1. Play with Arduino: Tech Enthusiast Builds Arduino Alarm Clock

My project is an Arduino alarm clock. I was curious if I could create a functional alarm clock using only an Arduino board and RTC. Initially, these digits only appeared on the serial monitor as I struggled to light up the LCD display. I wanted to take this process step by step so that I could fully understand what was happening.

The details of this project are organized in the attachment. Interested parties can refer to it for reference!

Project Link:

https://www.cirmall.com/circuit/10857

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2. Open Source Project: Arduino-Controlled Pinball Machine, Includes Arduino Code

This project uses laser jumpers, solenoids, and upright components to assemble an Arduino-controlled pinball machine. The solenoid is used to push the ball around the playing field. The target consists of a “basket” that holds the ball. Once the ball enters the target, the laser tripwire will automatically trigger the solenoid to eject the ball back into the game. A bell rings when the ball is ejected from the target.

Project Link:

https://www.cirmall.com/circuit/5402

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3. Arduino Bionic Robotic Fish

Before testing the robot in water, you must carefully check every mechanical and wiring connection. Control the fish and its movements, ensuring that both sensors provide signals to the Arduino. Use a multimeter to measure its output voltage: without obstacles, the signal should be high, ensuring the voltage is at least 5.5V.

At this point, we are ready for the waterproof robot: there are many solutions, and we have introduced the robot in a plastic bag (breathing inside, it has holes and is sealed with tape). Use rubber bands to keep the robot’s body tightly in the bag, ensuring the servos can move freely.

Project Link:

https://www.cirmall.com/circuit/4125

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4. Arduino-Based Lie Detector

Hey everyone, today I want to tell you how to make an Arduino-controlled lie detector that measures your body’s different reactions based on your situation or emotions. The coolest part is that we can see all of this displayed in real-time on the Arduino graph.

Project Link:

https://www.cirmall.com/circuit/10227

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5. Mini Arduino JukeboxMy underground rock band reunited after 20 years, and I decided to create a mini jukebox with some “clicks” using Arduino Nano, DFPlayer Mini, speakers, three buttons, and a 16×2 LCD display. For my case using Fusion 360, I am attaching STL files. The initial idea was to create a jukebox like a box, but I ran out of time. For the LCD display, get the I2C interface, so only 2 signal cables, 5V, and ground are needed.

Project Link:

https://www.cirmall.com/circuit/10348

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6. DIY Arduino Multifunction Power MeterIn this tutorial, I will show you how to make a multifunction power meter based on Arduino. This small meter is a very useful device that can display important information about electrical parameters. The device can measure 6 useful electrical parameters: voltage, current, power, energy, capacity, and temperature. This device is only suitable for DC loads, such as solar photovoltaic systems. You can also use this meter for battery capacity measurement. The voltage range that the meter can measure is 0-26V and a maximum current of 3.2A.

Project Link:

https://www.cirmall.com/circuit/18440348

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7. Arduino Retro Arcade ClockBuild an interactive arcade bedside clock with a touchscreen and animated arcade digits where you can record your chosen alarm sounds. This project includes a 3D printed case and four separate programs to choose from: 1. Arcade Clock – DK Mario, Space Invaders, and Pac-Man animations 2. Pac-Man Clock – Interactive animated Pac-Man game with clock function 3. DK Clock – Interactive animated DK game with clock function 4. Tumble Ghost – Flappy Bird-based animated Pac-Man ghost game. A lot of fun for those who love to relive the nostalgia of 80s arcade game characters and a great gift.

Project Link:

https://www.cirmall.com/circuit/10305

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8. Arduino LED Dice, Shake It Up! Dice is still a perfect beginner project. This function is well known and easy to understand. Almost everything has a ready-made component. When looking for a starter kit for Arduino or Raspberry Pi, it’s best to see this. Components like LEDs, buttons, and any type of sensor are built on the circuit board, so they can be connected and used to GPIO with just a few wires. Simple but sufficient 3D printers are available on eBay for less than 140 euros. Almost all brackets, installations, or housing variations can be created with it.

Project Link:

https://www.cirmall.com/circuit/11491305

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