• Raspberry Pi Relay Board

    8 relays controlled by 8 opto-isolated digital lines or by Raspberry Pi. It’s not the first time that we propose a relay board, because in these pages you have found both generic control boards that can be...

    • Posted 3 weeks ago
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  • PCB CAD, A SELECTION GUIDE

    Getting to know and evaluate the software offer for PCB, in order to choose the best one for our needs.   Designing an electronic board is a considerable and varied effort, both in terms of board design,...

    • Posted 4 weeks ago
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  • Automatic dispenser for cats

      It automatically supplies meals to your pet at preset times, by providing the daily dose of cat kibble. Having a pet involves big responsibilities, first of all granting them food; unfortunately, a hectic lifestyle and imposed...

    • Posted 1 month ago
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  • Do you have a mask? RASPBERRY Pi SEES IT

    Identify faces in a video or live shot and recognize if they are wearing a mask: easy with the “raspberry”. The spread of COVID-19 has created a global health crisis that has had a profound impact on...

    • Posted 2 months ago
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  • 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 2 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 2 months ago
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  • Remote control power functions usb

    Connected to the USB port of a computer, it allows you to simultaneously control four dual-channel infrared receivers of the POWER FUNCTIONS LEGO® series through simple serial commands. A few years ago LEGO®, manufacturer of the most...

    • Posted 2 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 2 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 2 months ago
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  • Making Your Own Photovoltaic 5V System

      This uses a buck converter as a 5V Output to charge the battery(Li Po/Li-ion). And Boost converter for 3.7V battery to 5V USB output for devices needed 5 V. Similar to the Original system that uses Lead Acid Battery as...

    • Posted 2 months ago
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  • Eyesight Guardian – Protect Your Eyes With Arduino

    https://youtu.be/DRDmLbAgXZc   How often have you used a screen for hours, only to find your eyes feeling strained, tired, and sore? Especially with the pandemic we’re all working and studying using our computers more than ever before,...

    • Posted 2 months ago
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  • Room Temperature Over Internet With BLYNK ESP8266 & DHT11

    Today we will make a room temperature monitor, which we can use to monitor our room from anywhere in the world and to do that we will use a BLYNK IoT plateform and we will use DHT11...

    • Posted 2 months ago
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  • Real Life Moving Portraits From Harry Potter!

    I’m a huge Harry Potter fan, and one of the things I’ve always loved from the Wizarding World are the moving portraits. I have converted an old Kindle into a real-life moving portrait! More info

    • Posted 2 months ago
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  • DIY – Relay Module

    I bet unless you really use them, you may always be thinking of knocking them all out before using them in your project. Well, if you feel the need of having a simple relay module, with just...

    • Posted 2 months ago
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  • TMD-1: a Turing Machine Demonstrator

    With this project I want to demonstrate the idea of a Turing machine with as much clarity as possible. I tried to build a machine that is simple to program and easy to understand. I guess that...

    • Posted 2 months ago
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  • Slack Status Updater With ESP8266

    This project helps make your day a little easier if you’re a remote worker using Slack. I’ll show you how to build it using an ESP8266 wifi board. Don’t miss the video above for the overview. More...

    • Posted 3 months ago
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  • Distance Alert

    We ensure social distancing with an audible and visual beacon that alerts you when you’re getting too close to a store counter, kiosk or counter. Since the “restart” after COVID-19 and the various Phase 2, Phase 3...

    • Posted 3 months ago
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  • ESP32 Based RFID Reader With Touch Display

    On this litte instructable I will show how to create a simple RFID reader with TFT output for wall mounting using an ESP32. It’s easy to extend this simple design for more complex application and wireless data...

    • Posted 3 months ago
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