I started this as an academic exercise, but ended up with a very accurate clock. After running for 5 days, it had not lost or gained any time. The main issue with using just an Arduino...

  In this project we are going to learn how to build an infrared based non-contact thermometer which can be utilized for screening people at schools, offices, shopping malls etc. for abnormal body temperature which could be...

https://youtu.be/2FcOQE6c_SA   Nowadays USB port is used widely for data transactions between electronic devices and computers. In many scenarios, there is no need to communicate with the USB port directly, therefore electronic designers use USB to UART...

  What is Piunora? Piunora is a development board complete with IO headers, USB ports, and HDMI output. It has an M.2 connector, some built-in LEDs, a camera connector, and a few other features. It also opens...

  This is an user friendly tiny digital table clock where user can access all basic functions of clocks including setting alarms, viewing temperature, viewing date, setting date and time, etc. It has a buzzer for alarm...

  I have a chess computer (not pictured), it’s quite a good way to play longer games at home. It’s hard to find an opponent online to play a game that might last 4 hours, and even...

  On-line shopping has changed the way goods are acquired.  For most packages it is not necessary to be around for the dropoff.  But… for the important stuff it is.  Those packages always seem to show up right when you...

  Having many 18650 battery cells to charge, I bought a few dirt cheap TP4056 modules (0.22 EUR per piece) and discovered that they are “not designed for” reversed polarity cells. In other words, reversed battery = instant magic...

  Mix minus is an audio production technique that lets you get all of your audio signals where they need to go while avoiding problems such as feedback, interference, etc. It can come in handy if you’re...

  It happened to everyone, you buy an avocado, it’s not ripe yet. A few days pass by, and by the time it’s ripe you have forgotten about it… and in a few days, it may go...

  Stopwatches are very useful in several applications and made by yourself using an Arduino, it is really more interesting! This project is really simple, easy to be assembled using few components and has an excellent accuracy...

  It was a dream then a challenge, then it became a reality. The motivation was to teach to the young generations in preparatory, secondry and technical secondry schools in my country Egypt how to manufacture a...

  Do you ever suddenly get the chills, so you check the temperature inside your room to make sure you’re not paranoid but then realize you don’t have any way to check? Or when the weather station’s...

  We wanted a display in our makerspace that could be updated as visitors interacted with the space. This project serves as a template for future IoT device to communicate with the display via MQTT. We have...

  I built a small midi decoder based on Arduino UNO, to signal when the stops was turned on and off in the GrandOrgue (or Hauptwerk) software. Arduino reacts to incoming messages from MidiON and MidiOFF on...

  This project is an Arduino-based alarm to monitor if the computer is working. In case the computer freezes, it will emit a warning sound signal. The project is composed from two parts: a program which runs...

  The art of firebending as seen in Avatar: The Last Airbender and The Legend of Korra is a melding of Asian martial arts and pyrokinesis. So how can we control fire with fancy fight moves in...