• RFID based Attendance system using Arduino and External EEPROM

      In this post we are going to learn how to build a RFID based attendance system using Arduino development board, RC522 RFID reader module and external EEPROM. We will take a brief look at RC522 RFID...

    • Posted 5 months ago
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  • ESP32 Neopixel Status Indicator and Sensor PCB Shield with Wi-Fi Manager

      In this project, we’ll create a status indicator PCB shield for the ESP32 featuring two rows of addressable RGB neopixel LEDs, a BME280 sensor, and a pushbutton. We’ll program the board to display a web server...

    • Posted 5 months ago
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  • ESP32-CAM with Telegram: Take Photos Control Outputs Sensor Readings and Motion Notifications

      In this project we’ll create a PCB shield for the ESP32-CAM AI-Thinker board with a PIR motion sensor, a BME280 temperature, humidity and pressure sensor and some additional exposed pins. We’ll create a Telegram bot for...

    • Posted 5 months ago
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  • Hands-free Tokens

      Hey Geeks, Now I am studying in +2 which is equivalent to 12th Grade. I am very interested in computer science and also my main subject is that. I spent a lot of time in developing...

    • Posted 5 months ago
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  • Accurate clock just using an Arduino

      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...

    • Posted 6 months ago
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  • Contactless Thermometer using Arduino with SD card temperature logger

      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...

    • Posted 7 months ago
    • 1
  • Cheap USB to UART Converter using Microchip MCP2200

    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...

    • Posted 7 months ago
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  • Please welcome the Arduino IDE 2.0 (with debugger)

    While the Arduino IDE provides a simple and clear interface that is ideal for novice users, the more advanced users often report that the editing capabilities are a bit limited compared to modern editors. This includes features like...

    • Posted 8 months ago
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  • An ESP8266-based WiFi doorbell sends SMS messages

      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...

    • Posted 10 months ago
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  • AvoRipe – Check your Avocado’s Ripeness

      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...

    • Posted 10 months ago
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  • Stopwatch and Lap Timer with Arduino

      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...

    • Posted 10 months ago
    • 1
  • Punch Activated Arm Flamethrowers (Real Firebending)

      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...

    • Posted 11 months ago
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  • How its made: Talking Cactus

      This is a mini project I made for fun. It was done at the beginning of this year and I thought I should share the story behind the making of this. It’s a cactus that tweet...

    • Posted 11 months ago
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  • Samsung SmartThings Arduino Switch

      With the recent discontinuation of the SmartShield attachment for the Arduino. The Samsung SmartThings community has been looking for a replacement for this shield. This project presents the start of a solution to this, using the...

    • Posted 11 months ago
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  • MKR WiFi 1010 + Firebase

      In this example we have tried to send and receive data from a database in real-time in Firebase, learning how to create the DDBB, the application in Arduino, and then finally to access it from a...

    • Posted 11 months ago
    • 1
  • DIY Sensor – Innovation & Implementation

      A sensor converts data such as heat, light, sound, and motion into electrical signals. These signals are passed through an interface that converts them into a binary code and passes this on to a computer to...

    • Posted 12 months ago
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  • Extremely Sensitive Cheap Homemade Seismometer

      The seismometer is a device for the detection of earthquakes and measuring their strength. Basically these are very precise instruments and are relatively difficult for self-construction. Commercially available sensors are very expensive, and cheap electronic modules...

    • Posted 12 months ago
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  • Water Quality Monitoring and Notification System

      This instructable video is all about how to monitor the Quality of water, interns of monitoring the level of water, the temperature of the water and its surrounding, the turbidity of the water (how clean the...

    • Posted 12 months ago
    • 1