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.

2,997 Comments

  1. Tomi Engdahl says:

    https://create.arduino.cc/projecthub/robert-thas/internet-controlled-light-switch-c4381e

    Reply
  2. Tomi Engdahl says:

    https://www.hackster.io/news/skycode22-s-opentrack-and-openex-are-fully-3d-printable-arduino-driven-trackballs-b0fc7f1f6d1f

    Reply
  3. Tomi Engdahl says:

    arduino play guitar
    https://www.youtube.com/watch?v=g_dBuR2GiTA

    Robot Guitar – Arduino – Jessica
    https://www.youtube.com/watch?v=DBqdnujBSpI

    Reply
  4. Tomi Engdahl says:

    Arduino xylophone with servos
    https://www.youtube.com/watch?v=n5OTpJgFdHI

    Reply
  5. Tomi Engdahl says:

    Makey Makey Guitar
    https://www.youtube.com/watch?v=CqiOexaGhg4

    Makey Makey guitar
    https://www.youtube.com/watch?v=NvunbL9qSUE

    Reply
  6. Tomi Engdahl says:

    The Good USB Turns a Bad USB Into an Arduino-Based Two-Factor Authentication Dongle
    Using the same hardware as a payload-injecting Bad USB, this Good USB serves as a physical dongle for TOTP-based two-factor authentication.
    https://www.hackster.io/news/the-good-usb-turns-a-bad-usb-into-an-arduino-based-two-factor-authentication-dongle-44579ab9ae5c

    Semi-pseudonymous maker Josh, of Optimum Unknown, has put together a homebrew two-factor authentication dongle powered by an Arduino or compatible — and, given its inspiration in the payload-injecting Bad USB project, he’s dubbed the device the Good USB.

    “Using two-factor authentication is a great way to add extra protection to your online accounts,” Josh writes of the problem his project seeks to solve. “Looking up [the] codes on your phone and typing them in every time you access an important online account is a pain. There is always some time pressure to locate the code and type it in before it expires. It is easy to mistype the code. When you mistype you need to start all over.”

    While there are commercial devices to take the pain away, Josh points out that they cost around $50 each — while software-based alternatives capable of automatically filling in the code required to authenticate are vulnerable to attack. The solution: a custom-built two-factor authentication dongle, created using common low-cost hardware and open-source code.

    “You will need an Arduino that can pretend to be a keyboard connected to your computer,” Josh writes. “I have had good luck with the Arduino Leonardo, SS Micro, and BadUSB. I like the BadUSB since it is a nice looking USB stick. These are frequently used for nefarious purposes, but instead, we are using them for good and that is why I call this project Good USB.”

    “The Arduino works with a companion app that runs on your computer. The companion app is what you use to tell the Arduino which of your accounts to type the code for. Optionally, you can add a button to your Arduino that will type the 2FA code when you press the button. Without the button, the Arduino will type the code 2 seconds after you select the account in the companion app.”

    The companion software is built in JavaScript and Electron, communicating with an Arduino firmware running on the physical device itself. The random-number seed is stored on the Arduino, as a hard-coded value in the sketch, rather than on the host computer

    http://optimumunknown.com/goodusb.html

    Reply
  7. Tomi Engdahl says:

    https://hackaday.com/2022/06/28/arduino-drum-platform-is-fast/

    Reply
  8. Tomi Engdahl says:

    Detective Conan Fans Can Now Build Their Own Functional Detective Boys Walkie-Talkie Badge
    Built around an ATmega328P and programmed in the Arduino IDE, this functional walkie-talkie makes you a real Detective Boy.
    https://www.hackster.io/news/detective-conan-fans-can-now-build-their-own-functional-detective-boys-walkie-talkie-badge-066bda2307fe

    Reply
  9. Tomi Engdahl says:

    https://blog.arduino.cc/2022/06/30/diy-diesel-emissions-monitor-is-a-lesson-in-spectroscopy/

    Reply
  10. Tomi Engdahl says:

    Greeting Chatbot © MIT
    We combined our new BGT60 Radar Sensor with a “real” Infineon Chatbot and created a sweet little doorman, talking to people, passing by.
    https://create.arduino.cc/projecthub/Infineon_Team/greeting-chatbot-0bbd9d

    Reply
  11. Tomi Engdahl says:

    Arduino Based Overvoltage And Undervoltage Protection System
    Full Details & Project: https://circuitdiagrams.in/overvoltage-and-undervoltage-protection-system/

    Reply
  12. Tomi Engdahl says:

    Arduino Based Overvoltage And Undervoltage Protection System
    https://circuitdiagrams.in/overvoltage-and-undervoltage-protection-system/

    Reply
  13. Tomi Engdahl says:

    https://blog.arduino.cc/2022/07/02/arduin-row-uses-tinyml-to-improve-your-rowing-technique/

    Reply
  14. Tomi Engdahl says:

    https://hackaday.com/2022/07/04/uart-cant-arduino-canserial-can/

    Reply
  15. Tomi Engdahl says:

    Arduino plays guitar
    https://youtu.be/g_dBuR2GiTA

    Reply
  16. Tomi Engdahl says:

    In this Technoblogy project, David Johnson-Davies created an SD card module that allows you to write to and read from SD cards via I2C. (Tested with an Arduino Uno!) http://www.technoblogy.com

    Reply
  17. Tomi Engdahl says:

    This tutorial shows you how to use the @Lauterbach TRACE32 GDB front-end debugger to debug your Nano 33 BLE application via GDB on a serial interface: https://docs.arduino.cc/tutorials/nano-33-ble/trace-32

    Reply
  18. Tomi Engdahl says:

    https://circuitdiagrams.in/ir-remote-control-car-using-arduino/

    Reply
  19. Tomi Engdahl says:

    https://circuitdiagrams.in/3-phase-inverter-using-arduino/

    Reply
  20. Tomi Engdahl says:

    https://hackaday.com/2022/07/11/old-cnc-brain-swapped-with-an-arduino/

    Reply
  21. Tomi Engdahl says:

    Looking for a fully-centralized, low-power, industrial control unit that’s able to drive all kinds of equipment and machinery? Check out the Arduino Portenta Machine Control’s full features list: https://docs.arduino.cc/hardware/portenta-machine-control

    Reply
  22. Tomi Engdahl says:

    https://blog.arduino.cc/2022/07/11/this-iot-weather-monitor-can-track-environmental-data-from-almost-anywhere/

    Reply
  23. Tomi Engdahl says:

    https://blog.arduino.cc/2022/07/12/minecraft-controls-this-led-array/

    Reply
  24. Tomi Engdahl says:

    https://blog.arduino.cc/2022/07/10/dial-up-your-pcb-design-skills-with-an-led-volume-control-shield/

    Reply
  25. Tomi Engdahl says:

    https://blog.arduino.cc/2022/07/12/this-small-device-helps-test-thousands-of-old-ps-2-keyboards/

    Reply
  26. Tomi Engdahl says:

    #ProjectSpotlight
    Have you ever thought only $8 can make a fully automatic reflow hotplate? With XIAO BLE, Tobychui created a portable reflow hot plate with a ceramic heater element.

    Check the full tutorial on Instructables: https://lnkd.in/gzwQ3xWi

    #XIAOBLE #arduino #diy #hotplate #lowcost #project

    Reply
  27. Tomi Engdahl says:

    Space Invaders Mini Arcade With CRT
    https://www.instructables.com/Space-Invaders-Mini-Arcede-With-CRT/

    Reply
  28. Tomi Engdahl says:

    I2C to SD card
    http://www.technoblogy.com/

    Reply
  29. Tomi Engdahl says:

    Jithin Sanal created a voice-controlled door lock using the Nano RP2040 Connect, Arduino Cloud, and Amazon Alexa.

    This smart lock uses voice recognition to control access
    https://blog.arduino.cc/2022/07/16/this-smart-lock-uses-voice-recognition-for-access/

    Reply
  30. Tomi Engdahl says:

    https://create.arduino.cc/projecthub/mircemk/diy-very-simple-arduino-metal-detector-5a54f8

    Reply
  31. Tomi Engdahl says:

    https://blog.arduino.cc/2022/07/15/driving-a-robot-car-with-nothing-but-your-voice/

    Reply
  32. Tomi Engdahl says:

    https://www.instructables.com/PacmanGhost-LED-Matrix/

    Reply
  33. Tomi Engdahl says:

    https://blog.arduino.cc/2022/07/21/this-coffee-machine-lets-you-know-when-youve-had-too-much-caffeine/

    Reply
  34. Tomi Engdahl says:

    Good Enough Menu (GEM) is Alexander Spiridonov’s Arduino library for the creation of graphic multi-level menus with editable items: https://create.arduino.cc/projecthub/Spirik/good-enough-menu-gem-c3d907

    Reply
  35. Tomi Engdahl says:

    https://hackaday.com/2022/07/25/hackaday-prize-2022-arduino-powered-weighing-scale-has-a-real-analog-display/

    Reply
  36. Tomi Engdahl says:

    https://blog.arduino.cc/2022/07/25/a-diy-thermally-actuated-deformable-mirror/

    Reply
  37. Tomi Engdahl says:

    Industrial IoT anomaly detection on microcontrollers
    https://blog.arduino.cc/2022/07/22/industrial-iot-anomaly-detection-on-microcontrollers/

    Reply
  38. Tomi Engdahl says:

    https://blog.arduino.cc/2022/07/21/playing-record-covers-instead-of-the-vinyl/

    Reply
  39. Tomi Engdahl says:

    https://blog.arduino.cc/2022/07/20/build-your-own-multi-function-digital-measuring-wheel-with-arduino/

    Reply
  40. Tomi Engdahl says:

    https://create.arduino.cc/projecthub/mircemk/arduino-weighing-machine-scale-with-analog-showing-bf8d87

    Reply
  41. Tomi Engdahl says:

    https://www.edn.com/simple-gps-disciplined-10mhz-reference-uses-dual-pwms/

    Reply
  42. Tomi Engdahl says:

    https://www.allaboutcircuits.com/technical-articles/understanding-arduino-uno-hardware-design/

    Reply
  43. Tomi Engdahl says:

    https://www.cnx-software.com/2022/07/14/arduino-based-midi-controller-brings-minimoog-model-d-synthesizer-back-to-life/

    Reply
  44. Tomi Engdahl says:

    Redditor ‘Ready_Ad_4821′ is building an Arduino-based motion tracker with multiple ultrasonic sensors: https://www.reddit.com/r/arduino/comments/wb9svw/arduino_motion_tracker_with_multiple_ultrasonic/

    Reply
  45. Tomi Engdahl says:

    The Portenta H7 Lite Connected follows the familiar MKR form factor, but enhanced with the Portenta family’s 80-pin high-density connector. Program it with high-level languages and AI while performing low-latency operations on its customizable hardware. Here’s everything you need to know to get started: https://docs.arduino.cc/hardware/portenta-h7-lite-connected

    Reply
  46. Tomi Engdahl says:

    https://blog.christianperone.com/2022/01/arduino-wan-helium-network-and-cryptography/

    Reply
  47. Tomi Engdahl says:

    https://blog.arduino.cc/2022/07/27/centimeter-scale-lawn-mower-positioning-without-gps-rtk/

    Reply
  48. Tomi Engdahl says:

    This system detects leaks by listening to water flowing through pipes
    https://blog.arduino.cc/2022/07/27/this-system-detects-leaks-by-listening-to-water-flowing-through-pipes/

    Reply
  49. Tomi Engdahl says:

    https://www.instructables.com/Transistor-Curve-Tracer/

    Reply
  50. Tomi Engdahl says:

    Reducing automotive fuel consumption with an Arduino
    https://blog.arduino.cc/2022/08/04/reducing-automotive-fuel-consumption-with-an-arduino/

    Reply

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