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    TORPEDO: an all-purpose switched-mode power supply

      Having explained the theory, let’s see in practice the project of the SEPIC power supply.   In this post we discussed – on a theoretical level (even if in a simplified way) – the SEPIC switching...

    • Posted 1 week ago
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    The SEPIC switching converters

      The SEPIC configuration, a very useful one, is used in modern converters for mixed supply systems. Thanks to the availability of an always growing number of specialized integrated circuits that realize – with the help of...

    • Posted 2 weeks ago
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    Discover and Design innovative applications in Wireless Power with Us

        The possibility to transfer electric power by means of electromagnetic waves was proved for the first time by Nikola Tesla, in 1890: he probably could not imagine how the discovery would have been appreciated nowadays....

    • Posted 3 weeks ago
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    Octopus, a “tentacular” shield for Arduino and Fishino

      A shield that provides 16 digital or PWM I/O using a single Arduino/Fishino I²C bus. Ideal for managing multi-color LED or servo motors.   Arduino boards and compatible alternatives are really easy use and o powerful, capable...

    • Posted 4 weeks ago
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    Keychainino: a programmable, playful Key Ring

        Based on Arduino, it performs electronic light games by piloting a LED matrix thanks to a special multiplexing mode.   In the “fast paced world” we live, moments when we can do whatever we want...

    • Posted 1 month ago
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    Let’s Build an open source Quadcopter – Part2

      Let’s complete the construction of our aircraft and test it.   Now that you have physically created the quadcopter – according to the indications supplied in the first installment of this article (published here) – you...

    • Posted 1 month ago
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    Let’s Build an open source Quadcopter – Part1

      A high performance multirotor copter that may be created by starting from a premade base and an Arduino Mega based board, that may receive the commands from a model aircraft’s remote control, and that supports telemetry...

    • Posted 2 months ago
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    An open source 3D Scanner made with Raspberry Pi

      By making use Raspberry Pi, we created an easy to build 3D scanner to be used for the acquisition of three-dimensional models via a video camera and a laser   3D printing keeps on establishing itself,...

    • Posted 2 months ago
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    Open Wheels 2: an all-in-one board to control any of your robotic Projects

      A scalable board to prototype motion control applications for automatic balanced robot or any other robot on wheels.     It was the 2013 when we presented a control board to make a clone of the...

    • Posted 2 months ago
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    GuppY: Fishino becomes Nano

      Rethinking the popular Arduino: compared with the latter, it adds the implementation of the Fishino architecture, along with WiFi connectivity, a battery charger, etc…   As we anticipated in the article in which we presented our...

    • Posted 2 months ago
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    FISHINO becomes Mega

      The Fishino version of the powerful and popular board, Arduino MEGA: a revised  hardware with a different power section.   Not so much time has passed, since we presented our Fishino UNO, a board that is...

    • Posted 3 months ago
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    Discovering OpenSCAD – part 2: advanced functions

      Here we complete the overview of the free 3D modeling and editing software by creating modular models that can be assembled together.  OpenSCAD is a free 3D modeling software whose strength is the capability of creating more...

    • Posted 3 months ago
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    How to make an OpenSource Vertical Plotter

          Let’s draw freely, by means of a plotter that is easy to make, using the same electronic board present in our 3Drag printer.   The vertical plotter is a kind of printer that is...

    • Posted 3 months ago
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    Discovering OpenSCAD – part 1: basic functions

      Who prints 3D objects needs a 3D modeling and editing software to create and edit files; a good example is OpenSCAD, that is also a nice resource to modify and process most of Thingiverse files.   With “3D modeling” we mean the design of a three-dimensional shape, the...

    • Posted 3 months ago
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    Let’s transform Raspberry Pi into a performing and inexpensive Media Center

      Some years ago a team of developers created a program named Kodi Entertaiment Center, so to transform the famous Microsoft Xbox into a Home Theatre or a Media Center, by taking advantage of the excellent multimedia...

    • Posted 4 months ago
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    COLIBRÌ: the driver for RGBW LEDs

      It allows to drive the ever-new 4 colour light diodes, by easily changing their brightness and colouring.   Recently some multicoloured power LEDs have appeared on the market and, differently from the more common RGB LEDs,...

    • Posted 4 months ago
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    Create a connected Fish Tank with Fishino

      Thanks to the Fishino board, we will make an existing fish tank smart, and we will place it in the IoT world.   By now, technology has made way in our daily life as well, and...

    • Posted 4 months ago
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    Buiding an arcade coin-op machine to rediscover the 80-90s with RetroPie

        We will rebuild a BarTop arcade coin-op machine to rediscover the charm of the 90s: just a Raspberry Pi, one shield described here, a LCD screen and a few buttons.   What is an Arcade...

    • Posted 4 months ago
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