• A 32-BIT FISHINO! WiFi, SD card, RTC, audio codec, LiPo and more…

      Our prototyping board acquires a 32-bit processor and sets the bar high, towards demanding applications that may take full advantage of the WiFi support, of the RTC and of the SD-Card, that make Fishino stand out...

    • Posted 2 days ago
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  • A full featured mp3 Demoboard

      Let’s test out the capabilities of the DFR0299 audio player module, an ideal choice for Arduino but also for many stand-alone applications.   In this article, we decided to design and propose a demoboard for the...

    • Posted 1 week ago
    • 0
  • A 32-BIT FISHINO board for your powerful IoT!

      Our prototyping board acquires a 32-bit processor and sets the bar high, towards demanding applications that may take full advantage of the WiFi support, of the RTC and of the SD-Card, that make Fishino stand out...

    • Posted 4 weeks ago
    • 1
  • A FPGA controlled RGB LED MATRIX for Incredible Effects – the Software

      A dot matrix RGB LED graphic panel, managed by an FPGA-based controller board presented in a previous post that may be separately used as a demoboard. Let’s see the software and how to use it in...

    • Posted 1 month ago
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  • A FPGA controlled RGB LED MATRIX for Incredible Effects – the Hardware

    A dot matrix RGB LED graphic panel, managed by a FPGA-based controller board that may be separately used as a demoboard, so to evaluate the potential of the on-board Spartan 6. First installment.   In this post...

    • Posted 1 month ago
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  • Using a Telegram Bot and a Demo Board to experiment with home automation

      Let’s discover the potential of the instant messaging app, Telegram, by creating a remote control, based on a smartphone and a WiFi powered demoboard. We may say that, when we have our smartphone in our hands,...

    • Posted 2 months ago
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  • An Open Source Filament Extruder for 3D Printer

      Create filaments for FDM printing of your choice, by yourself, thanks to this self buildable machine that gives new life to PLA, ABS and PET leftovers.   Even if their price decisively fell in the last...

    • Posted 2 months ago
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  • An Open Source 4W Guitar Amplifier

      Amazing board with volume and tone controls and a distortion fuzz integrated with activated/deactivated on demand; complete with a speaker and a power supply, it constitutes an essential tool for guitar exercises. Who likes to play...

    • Posted 2 months ago
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  • An open source Rain Sensor and controller

      Designed to be coupled to an irrigation controller, a weather station or motorized curtains and rolling shutters, it shuts down a relay when rain is detected.   One major issue when dealing with sprinkler controllers is...

    • Posted 2 months ago
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  • An OTP (On Time Password) Lock

      Let’s create an electrically controlled lock that is opened by means of an always different code that is generated by our smartphone, on the basis of an algorithm that takes the time into account.   If...

    • Posted 3 months ago
    • 3
  • Print with Chocolate in two colours with 3Drag Choco Big Dual Extruder

      Let’s create a new evolution for our 3Drag printer, with a dual extruder for the printing of chocolate items of two types or colours. The 3Drag printer has been our answer to the growing need –...

    • Posted 3 months ago
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  • A Christmas Star with Neopixel LEDs

      A tech Christmas decoration, created by means of Neopixel LEDs and controlled via an Arduino Micro board, that takes up a minimal amount of space. With the Xmas holidays approaching, we always try to propose a...

    • Posted 3 months ago
    • 1
  • SmartPID: Smart Temperature and Process Controller

      Professionally engineered, SmartPID Controller, now on Indiegogo, is a high-tech product that facilitates temperature and process control: heating or cooling. Compared to a basic on/off thermostat, SmartPID is more an “open platform” that collects temperature from...

    • Posted 3 months ago
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  • An Electric Speed Control for DC motors

      It allows to change the revolutions per minute in any brushed motor that is powered by 12 to 35 Vcc, thanks to a handful of electric components and to the popular 555 timer. In different applications,...

    • Posted 4 months ago
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  • The BF 15+15W open source power amp

      A compact stereo amplifier that may be used at home as well as in the car, and also to substitute broken audio power amplifiers or to create bench power amps for the analysis of audio devices....

    • Posted 5 months ago
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  • The Strato Pi UPS board

      Makes Raspberry Pi suitable to be used in “professional” environments, sports a power source, an UPS, a RTC clock, a watchdog function, RS232 and RS485 converter and a buzzer. All in one.   In the previous...

    • Posted 5 months ago
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  • Analyzing Semiconductor with a set of simple tools

        A set of tools that – for an affordable price and without difficulties – is capable of identifying and verifying the features of BJTs, FETs, thyristors, diodes, etc.   Until a few years ago, it...

    • Posted 5 months ago
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  • A RTC SHIELD for Arduino and Raspberry Pi, second part

      Let’s see how to use this shield along with Raspberry Pi, by means of a dedicated library.   In the last installment we gave readers description of a new RTCC shield, based on the MCP79410 integrated...

    • Posted 5 months ago
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