Cool uses for Arduino

There are very many cool Arduino projects and project sites in Internet (make Google search to see). Here are some interesting links to check out:
Arduino Projects at indestructables

Arduino user projects

Arduino Project Ideas

Top 40 Arduino Projects of the Web

Arduino Rising: 10 Amazing Projects People Are Doing With The Tiny Microcontroller

Electronics For The Everyman: 25 Kick Ass Arduino-Powered Projects

10 Simple-But-Fun Projects to Make With Arduino

DuinoForProjects

Codeduino projects

Internet of Thing with Arduino

11 Arduino projects that require major hacking skills—or a bit of insanity

I will be posting more links to more interesting projects as comments to this post, like I did in my Cool uses for the Raspberry Pi posting. Some of the most interesting that spend some more time at can get their entire own postings this blog in Arduino section.

730 Comments

  1. Tomi Engdahl says:

    Continuity Tester uses the ATtiny85’s Comparator
    https://hackaday.com/2017/11/25/continuity-tester-uses-the-attiny85s-comparator/

    There’s an inside joke among cyclists – the number of bikes you need is “n+1”, where “n” is your current number of bikes. The same probably also applies to the number of tools and equipment a hacker needs on their workbench. Enough is never enough. Although [David Johnson-Davies] has a couple of multimeters lying around, he still felt the urge to build a stand-alone continuity tester and has posted details for a super-simple ATtiny85 based Continuity Tester on his blog. For a device this simple, he set himself some tall design goals. Using the ATtiny85 and a few SMD discretes, he built a handy tester that met all of his requirements and then some.

    The ATtiny85’s Analog Comparator function is perfectly suited for such a tester.

    Continuity Tester
    http://www.technoblogy.com/show?1YON

    18th November 2017

    This article describes a simple continuity tester, based on an ATtiny85 and a piezo buzzer, designed for checking circuit wiring, or tracing out the tracks on a PCB

    Reply
  2. Tomi Engdahl says:

    Gamify Your Workout with the Wearable Console Controller
    https://hackaday.com/2017/11/28/gamify-your-workout-with-the-wearable-console-controller/

    ‘Tis soon to be the season when resolutions falter and exercise equipment purchased with the best of intentions is cast aside in frustration. But with a little motivation, like making your exercise machine a game console controller, you can maximize your exercise gear investment and get in some guilt-free gaming to boot.

    With this in mind, [Jason] looked for a way to control PS4 games like Mario Karts or TrackMania with his recumbent bike. In an attempt to avoid modifying the bike, [Jason] decided on a wearable motion sensor for his ankle. Consisting of an Uno, an MPU9250 accelerometer, and a transmitter for the 433-MHz ISM band, the wearable sends signals to a receiver whenever the feet are moving. This simulates pressing the up arrow controller key to set the game into action.

    Cycler433: exercise bike racing with a wireless wearable
    http://cyclicode.me/cycler433-exercise-bike-racing-with-a-wireless-wearable

    Reply
  3. Tomi Engdahl says:

    Gesture Keyboard for Universal Input
    https://hackaday.com/2017/11/29/gesture-keyboard-for-universal-input/

    Keyboards are currently the most universally accepted computer input devices. They may be wired, wireless, or virtual, but the chances are that you’re within a few centimeters of a keyboard right now. [Federico Terzi] built a prototype from an Arduino and an accelerometer which conceptually resembles writing in Palm’s old Graffiti, though this version is performed in mid-air with a handheld instead of a little square at the bottom of an LCD screen. He can also operate wirelessly with a Bluetooth module and battery.

    A library to convert accelerometer data into characters using machine learning
    https://github.com/federico-terzi/gesture-keyboard

    Reply
  4. Tomi Engdahl says:

    Zigbee-Based Wireless Arduinos, Demystified
    https://hackaday.com/2017/11/29/zigbee-based-wireless-arduinos-demystified/

    Hackday regular [Akiba] is working on a series of video tutorials guiding newbies into the world of the 802.15.4 wireless protocol stack — also known as ZigBee. So far, his tutorials include a “getting started with chibiArduino”, his own Arduino-based wireless library, as well as a more basic tutorial on how radio works.

    Wireless Communications with chibiArduino 01: Hello Wireless World
    https://freaklabs.org/wireless-communications-with-chibiarduino-01-hello-wireless-world/

    Reply
  5. Tomi Engdahl says:

    SANTA’S SHOP IS AN ANIMATED STORYTELLING INSTALLATION
    https://blog.arduino.cc/2017/12/07/santas-shop-is-an-animated-storytelling-installation/

    Santa’s Shop is an amazing Christmas display consisting of trains, animated figurines, a rotating tree, and several other interesting holiday-themed gadgets.

    The decoration features hundreds of 3D-printed parts and many handmade characters, controlled by 46 servos and a total of 12 Arduino boards. Bringing the installation to life was no small task, requiring over 2,000 hours of labor for creators Mike and Annelle Rigsby.

    Reply
  6. Tomi Engdahl says:

    Love You Pillow
    https://create.arduino.cc/projecthub/arduino/love-you-pillow-f08931?ref=platform&ref_id=424_recent___&offset=5

    We all know that being without that special person in your life can be difficult, but what if you could send love and affection remotely over the Internet by just hugging a pillow?

    Now, we can’t really send hugs… but what we can send is a sweet emoji through a messaging app, triggered by you giving a pillow a hug.

    Reply
  7. Tomi Engdahl says:

    Alexa: “Your Clothes Are Dry”
    Made by Team TNunnster
    https://www.hackster.io/tnunnster/alexa-your-clothes-are-dry-1bc7e7

    Using an accelerometer and Arduino Yun, the device monitors clothes dryer vibration and notifies via Echo when the dryer stops.

    Reply
  8. Tomi Engdahl says:

    The Alexa and Arduino Smart Home Challenge
    Create the smart home gadget of the future
    https://www.hackster.io/contests/alexasmarthome

    Reply
  9. Tomi Engdahl says:

    Rural Hack Kit
    https://create.arduino.cc/projecthub/officine/rural-hack-kit-a798bb?ref=similar&ref_id=61743&offset=5

    The Rural Hack Kit is the perfect electronic set to get started hacking farms, gardens, or even plants on your balcony.

    Reply
  10. Tomi Engdahl says:

    RAPANUI CLOTHING
    https://www.raspberrypi.org/magpi/rapanui-clothing/

    Today, the whole operation at Rapanui is powered by renewable energy and a creative, hackathon, DIY spirit. More specifically, it also makes use of nearly 100 Raspberry Pis to perform many different tasks. “Some are connected to sensors or machinery that we’ve made in our machine shop,” says Mart. “Some do simple stuff like open windows and help people solve problems.”

    Other Pis drive touchscreens and workstations and they enable staff to prioritise work. Put together, they have made Rapanui’s manufacturing process very efficient while allowing the firm’s eco-friendly and sustainable clothing to be affordable.

    Reply
  11. Tomi Engdahl says:

    Plant Communicator
    https://create.arduino.cc/projecthub/arduino/plant-communicator-7ea06f

    Keeping your plants alive can be quite the challenge as they are very bad at communication.

    WEB EDITOR

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    Plant Communicator © CC BY-NC-SA
    Ever wished you could talk with your plants?

    iotmkr1000monitor
    842 VIEWS0 COMMENTS5 RESPECTS
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    ABOUT THIS PROJECT
    As the English poet William Wordsworth once said:

    “Your mind is the garden,

    your thoughts are the seeds,

    the harvest can be either flowers or weeds.”

    Keeping your plants alive can be quite the challenge as they are very bad at communication.

    One way to keep them happy is to bring your plants with you, but maybe you don’t want to lug around with that big-ole-cactus or fern sticking out of your winter jacket pockets. Also, most plants dislike the cold.

    After spending months trying to communicate with our Spider Plant, we gave up and used the MKR IoT Bundle components to create a device that remotely surveys the well being of any plant instead.

    In a nutshell:

    In this experiment you will learn how to protect your plants and make sure they survive as well as using Arduino magic.

    By monitoring moisture, temperature and light, you can make sure that your plants are happy. It can send emails and graphs on a daily basis and notify you of its needs.

    Reply
  12. Tomi Engdahl says:

    LiquidWatch is Dripping with Style
    https://hackaday.com/2017/12/26/liquidwatch-is-dripping-with-style/

    Some of the entries for the 2017 Coin Cell Challenge have already redefined what most would have considered possible just a month ago. From starting cars to welding metal, coin cells are being pushed way outside of their comfort zone with some very clever engineering. But not every entry has to drag a coin cell kicking and screaming into a task it was never intended for; some are hoping to make their mark on the Challenge with elegance rather than brute strength.

    A perfect example is the LiquidWatch by [CF]. There’s no fancy high voltage circuitry here, no wireless telemetry. For this entry, a coin cell is simply doing what it’s arguably best known for: powering a wrist watch. But it’s doing it with style.

    The LiquidWatch is powered by an Arduino-compatible Atmega328 and uses two concentric rings of LEDs to display the time.

    LiquidWatch
    An Arduino-based watch using 97 LEDs to show the time.
    https://hackaday.io/project/21080-liquidwatch

    Reply
  13. Tomi Engdahl says:

    DECEMBER 27, 2017 AT 1:00 AM
    How to Make Your Ugly Sweater Scroll Text #WearableWednesday #wearabletech #Arduino #DIY #uglysweater #holiday
    https://blog.adafruit.com/2017/12/27/how-to-make-your-ugly-sweater-scroll-text/

    Reply
  14. Tomi Engdahl says:

    Arduino Due Arbitrary Waveform Generator © GPL3+
    https://create.arduino.cc/projecthub/BruceEvans/arduino-due-arbitrary-waveform-generator-a9d180?ref=platform&ref_id=424_recent___&offset=1

    Arbitrary waves can be drawn, edited, saved, opened and uploaded to the Due via USB, or the Due can run alone controlled by pots & switches.

    Reply
  15. Tomi Engdahl says:

    Monitor your sleep quality with Arduino
    https://blog.arduino.cc/2017/12/27/monitor-your-sleep-quality-with-arduino/

    The bulk of the monitoring device takes the form of a glove which measures heart rate using an IR sensor, along with movement via an accelerometer. Breathing is recorded using a conductive band wrapped around the user’s chest, which changes resistance depending on how it is stretched.

    Reply
  16. Tomi Engdahl says:

    Build an Arduino-based 4-Channel Data Logger
    https://www.designnews.com/gadget-freak/build-arduino-based-4-channel-data-logger/116811940158075?ADTRK=UBM&elq_mid=2857&elq_cid=876648

    Wouldn’t it be nice to have your own simple on-demand data logger for those occasions when you don’t have connectivity? Here’s how to build one using an Arduino Nano.

    In many applications data collection is remote and Wi-Fi and Internet are not available.

    In addition and in lieu of other backup opportunities, a simple on-demand logger would be a nice resource for custom applications that can accommodate the simple handshake protocol and have a serial output available to be saved into the removable SD card.

    This project is an on-demand logger using an Arduino Nano-based controller. Like several similar SD serial loggers, the Arduino, used in this application is a popular choice for development and has the advantage that it creates this inexpensive data utility by exploiting the SD.lib, resident in the Arduino IDE.

    Reply
  17. Tomi Engdahl says:

    Arduino Mega Chess
    https://create.arduino.cc/projecthub/Sergey_Urusov/arduino-mega-chess-d54383

    This project uses Arduino Mega 2560 because of lack of operative memory on Uno, 2.8 inch touchscreen, passive buzzer, and about 2000 lines of code.

    Reply
  18. Tomi Engdahl says:

    Sprout: Modern Indoor Self Watering Planter © CC BY-NC-SA
    https://create.arduino.cc/projecthub/jonathanrjpereira/sprout-modern-indoor-self-watering-planter-3eefaf?ref=platform&ref_id=424_recent___&offset=6

    Sprout is a Modern Indoor Planter which automatically waters your plants, herbs, vegetables, etc and will revolutionize your gardening game.

    It consists of an integrated water reservoir from which water is pumped & keeps the plant’s soil hydrated.

    A soil moisture sensor is calibrated such that it periodically measures the moisture of the soil thereby regulating the water flow. If the soil is too dry, the water pump automatically switches ON and goes OFF when the soil moisture has reached the desired level.

    Reply
  19. Tomi Engdahl says:

    Thermal Camera with Display
    https://learn.adafruit.com/thermal-camera-with-display?view=all

    Thermographic Cameras normally have low resolution and the higher performance ones can be quite expensive. The AMG8833 thermal camera sensors are easier to come-by and easy to use with Arduino with the Adafruit Library and demo code.

    Reply
  20. Tomi Engdahl says:

    Smartphone Controlled Periodic Table of Elements
    https://hackaday.com/2018/01/16/smartphone-controlled-periodic-table-of-elements/

    You can’t just leave your Polonium sitting around on the kitchen counter. That’s the idea behind the interactive periodic table built by [Maclsk], and we’ve got to admit, if we get to put it in a case this awesome we might have to start our own collection.

    Each cell contains an WS2812B RGB LED, which at maximum brightness draws 60mA.

    Control for the display is provided by an Arduino Nano and HC05 Bluetooth module.

    Interactive LED Periodic Table
    https://imgur.com/a/VZYfI

    Reply
  21. Tomi Engdahl says:

    Remember Your Birthday For Fifty Years
    https://hackaday.com/2018/01/16/remember-your-birthday-for-fifty-years/

    At its heart is a modified Arduino Nano clone that draws a measured 608 nA from a CR2450N. From the specification of the cell he has calculated the 50 year maximum figure, as well as a possible 29 years for a CR2032 and 64 years for a CR2477. He does however note that this does not take self-discharge into account, but you can probably afford a new battery in a decade or so.

    The Arduino clone carefully selected for its “P” version low-power processor has had its serial bridge IC removed to achieve this power consumption, as well as a voltage regulator and some discrete components.

    Birthday Alarm That’ll Run for 50 Years!
    https://hackaday.io/project/29327-birthday-alarm-thatll-run-for-50-years

    An Arduino powered birthday reminder device that’ll wish you happy birthday for 50 years on a single CR2450 coin cell.

    Reply
  22. Tomi Engdahl says:

    FLYING THE FRIENDLY SKIES WITH A HALL EFFECT JOYSTICK
    https://hackaday.com/2018/01/18/flying-the-friendly-skies-with-a-hall-effect-joystick/

    Most joysticks measure position mechanically using potentiometers or encoders. Only a few high-end models use Hall effect sensors. That’s the route [dizekat] took.

    An Arduino micro reads the sensors and converts the analog signal to USB. The Arduino Joystick Library by [Matthew Heironimus] formats the data into something a PC can understand.

    Reply
  23. Tomi Engdahl says:

    Tutorial – Build a ManyKey Macro Keyboard
    https://www.manykey.org/tutorial.html

    So you want to build a ManyKey macro keyboard? That’s great!

    The first thing you’ll want to do is decide the form-factor of your keyboard. Do you want a neat package that sits on your desk? Buttons for your feet to control? Something else entirely?

    And here are the components we’ll be using!

    Wire, preferably black and at least one other color – Amazon
    3 normally-open SPST momentary foot switches – Ebay
    An Arduino Leonardo compatible microcontroller (needs ATmega32u4) – Sparkfun or Ebay
    Aluminum enclosure – Mouser
    10ft micro USB cable – Amazon
    Plastic panel mount strain relief – Mouser

    Now it’s time to program the Arduino with the ManyKey firmware.

    ManyKey Firmware (Arduino/ATmega32u4
    https://github.com/ManyKeyOrg/manykey_firmware_arduino

    This is project is an easy way to get a macro keyboard project going very quickly.

    This is the first step of the ManyKey Project. We’re working on a cross-platform desktop application to configure the keys of any project using this firmware, without a serial terminal. Eventually we hope to offer open source hardware designs and guidance to make building projects like this as easy as possible.

    Reply
  24. Tomi Engdahl says:

    Relativ – Build Your Own VR Headset for $100
    https://www.hackster.io/relativty/relativ-build-your-own-vr-headset-for-100-57adba

    First you will need the following components:

    Arduino Due, $34 for the official one or $10 for a Chinese clone
    GY-521 MPU-6050, $1
    5.5 inch 2560*1440 2K LCD Screen HDMI to MIPI, up to 100€ on Alie Express (recommended)

    Reply

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