Blog

  • Little work [Hey, smile ]

    Little work [Hey, smile ]

    me_Cris
    Hey, smile! Hello everyone!I made a small project with LEDs and a MAX7219 matrix. The blue board contains an ATMega8AU-TH (but it should work with any ATMega8-AU), I bought several ICs, cheap of course (I don't think I need to advertise the website),...

  • Sabertooth Dual Motor Driver

    Hallowed31
    This is code I cooked up in the Arduino Forum a few days ago to help someone who wanted to hack their kid's Powerwheels/Peg Perego 2WD ride on toy using a Sabertooth 2x60 motor controller.  I was never happy with Dimension Engineering exampl...

  • Integrating Arduino with MQTT for IoT Applications

    Shawn_will617
    What is MQTT, and how is Arduino combined with MQTT for Internet of Things applications? These questions may have crossed your mind after reading the title. In this article, we will learn how MQTT (Message Queuing Telemetry Transport) uses low-bandwi...

  • Working router with PoE support

    embeddedguy
    Created and installed rpi4 based router to access internet. This also has PoE hat on it.. Introduction Recently, I was having a need for a router or a wifi range extender. Because, the high speed internet in my home router was not connec...

  • Adding more Storage to an Arduino: Using 8-pin SPI Flash Memory Chips

    shabaz
    Table of Contents Introduction Simple Read Example Erasing Flash Simple Write Example What’s the Purpose? Connecting the SPI Flash Arduino Flash Library Simple Demo Code Flash Monitor / Programmer Menu access Python access Summary Int...

  • Control 28BYJ-48 Stepper Motor with ULN2003 Driver and Arduino

    rachna34
    A stepper motor is an electric motor that moves in discrete steps. Each step is a fraction of a full rotation, and the motor's position can be controlled precisely without the need for feedback systems. This makes stepper motors hi...

  • How to Control 28BYJ-48 Stepper Motor with ULN2003 Driver and Arduino

    rachna34
    A stepper motor is an electric motor that moves in discrete steps. Each step is a fraction of a full rotation, and the motor's position can be controlled precisely without the need for feedback systems. This makes stepper motors hi...
  • Speed Controlling of DC Motor Using MOSFET

    Speed Controlling of DC Motor Using MOSFET

    Rithik_Krisna
    DC motors power everything from toothbrushes to robots. Controlling their speed and direction is crucial. In this project, we'll use an Arduino, a potentiometer, and a MOSFET transistor to control a DC motor. Our versatile, low-cost design can al...
  • Automatic Fire Detection and Extinguishing Robot Using Arduino

    Automatic Fire Detection and Extinguishing Robot Using Arduino

    Rithik_Krisna
    Despite numerous precautions, fire accidents still occur, risking human lives during rescues and firefighting. With advancements in robotics, we can now replace humans with robots for firefighting, enhancing efficiency and safety. In this project, we...
  • Dekatron Spinner Z502s with Arduino Beetle

    Dekatron Spinner Z502s with Arduino Beetle

    Steve524
    Just a fun simple project using the Arduino Beetle and a Z502 Dekatron tube to create a simple spinner out of this classic display tube. The design of the circuit was adapted from the circuit diagram I attached from "Dekatron Drive Basics M. Moo...
  • Automatic cat door with Arduino interface and PLC

    Automatic cat door with Arduino interface and PLC

    Steve524
    This project is not entirely Arduino, but I think it is a good example of how Arduino's can be incorporated into other systems. The initial design of this project was to automatically open and close the cat door and track the cat's activity a...
  • Old Battleship Phone With Arduino UNO

    Old Battleship Phone With Arduino UNO

    Steve524
    This is an old restoration project of an old battleship phone which I retrofitted with an Arduino UNO and a BCD MP3 player module. The front of the phone has a selector switch which I tied to the inputs of the Arduino which then sends a BCD code to t...
  • Nixie Tube Clock With Arduino Mega 2560

    Nixie Tube Clock With Arduino Mega 2560

    Steve524
    This project started with an old nixie tube display rack and an Arduino mega 2560 with DS1307 RTC. The nixies are driven with the SN74141 BCD to nixie drivers. This project was a lot of fun to build it also has a temperature and humidity sensor DHT11...

  • Arduino Library Creation and Testing Workflow

    shabaz
    Table of Contents Introduction Library File Structure Examining the Library Code Megatest Header File Megatest Source File Additional Code Files Example .ino File Properties File Testing the Library on a PC Main code Faking Arduino Library Func...

  • serial convertor

    powerelec
    Hi  Looking to see if anybody in interested in doing a project for me  I am trying to convert a 2 wire serial stream of different protocols data consisting of bcd address pulses and values coming in and display the various data parts and to...
  • Build a Traffic Light Controller with Arduino Uno R4

    Build a Traffic Light Controller with Arduino Uno R4

    rahulkhanna
    Traffic lights are an essential part of our daily commute, keeping intersections safe and organized. But have you ever wondered how they work? In this blog, we'll embark on a fun project: building a basic traffic light controller using an Arduino U...

  • Spark Analyzer | IoT-enabled USB-C Adjustable PSU (WiFi + BLE)

    elektrothing
    Hey element14 community,I'm here to introduce an exciting project that I've been working on: the Spark Analyzer. This isn't just another power supply unit; it's an IoT-enabled device that's hopefuly going to change how w...
  • Feather based M-BUS meter

    Create own MBUS meters with Feather boards

    hwhardsoft
    Create own M-BUS meters based on M-BUS Slave FeatherWing and Feather microcontroller boards

  • LED Bar Graph Display With Shift Registers

    trentmeister1
    community.element14.com/.../IMG_5F00_5277.movThanks to the element14 video on how to use the SN74HC595 to add outputs to an Arduino, I was able to build the following. I‘m a piano technician by trade, but have always wanted to build a...

  • Using a Vacuum Fluorescent Display (VFD) with a Microcontroller

    shabaz
    Table of Contents Introduction Exploring the Display Connecting It Up Arduino Code What Characters are Supported? Summary Introduction Sometimes, it’s nice to use a luxury display such as a VFD! This short blog post describes how to get a ...

  • VALENTINE'S DAY ROSE

    Spain_mtg
       If there is a date to show affection and love to that special person we have in our lives, that date is Valentine's Day. A gift that we always have in mind is to give red roses for the meaning they have, but after a few days they begin t...
  • SIMPLE PROJECT FOR DISPLAYING TIME, TEMPERATURE AND HUMIDITY

    SIMPLE PROJECT FOR DISPLAYING TIME, TEMPERATURE AND HUMIDITY

    Spain_mtg
       This is a simple project, very easy to make and with few modules, but it is very useful, since it shows the time, temperature and humidity in a room or where the DHT-11 sensor is placed. To show the time it has been chosen to show only t...
  • 6-AXIS ROBOTIC ARM WITH SERVO MOTORS

    6-AXIS ROBOTIC ARM WITH SERVO MOTORS

    Spain_mtg
       The Industrial robots have powerful motors and specific electronic circuitry to control the movements towards the programmed coordinates. Would it be possible to make a small robotic arm with basic electronic modules and components? &nbs...

  • Modifying the Arduino Uno R4: Making it 3.3V-Friendly

    shabaz
    Table of Contents Introduction What if you don’t want to do this? Inputs to the R4 board Outputs from the R4 board Any Disadvantages? Arduino Uno R4 Minima Modifications What is Needed? Doing the Modifications Summary Disclaimer: I *thi...
  • DOMESTIC TEMPERATURE, HUMIDITY AND CO2 METER

    DOMESTIC TEMPERATURE, HUMIDITY AND CO2 METER

    Spain_mtg
       Now that it is very important to know the saturation levels of the environment for example in the workplace, I started to search the Internet if there would be any sensor that could be used with Arduino to know the levels of CO2, luckily...