• RASPILIGHT: an open project for Ambilight TV effect

      Home cinema becomes even more immersive thanks to Raspberry and addressable LEDs: let’s re-create the Ambilight TV effect on any other TV using Raspberry and Kodi.   What’s better than watching a movie in front of...

    • Posted 2 days ago
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  • Creating a smart home system WITH FISHINO

        We are going to create a system managed by a smartphone for controlling home appliances and electric devices through Wi-Fi.   Suppose you want to create a system for your home appliances and that you...

    • Posted 7 days ago
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  • An Open Source Rain and Humidity sensor couple

      It detects humidity through two sensors which are to be used alternatively to let us know when there is water on the ground because it’s raining, or when the water level in a flowerpot is too...

    • Posted 2 weeks ago
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  • The Torpedo 2: a cheap and super powerful 3A DC/DC converter with built-in charger

      Some time ago we had introduced you to the Torpedo switching power supply, a particular kind of DC/DC power supply called SEPIC capable of supplying 5 V from several external supply sources, such as an external...

    • Posted 3 weeks ago
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  • Stack based solutions for image processing at the Edge and Cloud – Nick Ni & Adam Taylor

      One of the beauties of image processing is its wide range of end applications from autonomous drones and cars, to medical and scientific imaging. This diverse range of applications brings with it a diverse range of...

    • Posted 4 weeks ago
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  • Hacking an IKEA Lack Table into a Display

      Let’s build an interactive table equipped with a display and manual commands to create everything from videogames to animations for communication, teaching and entertainment. LED strips with serial control, and Neopixels in particular, allow us to...

    • Posted 1 month ago
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  • Controlling our simple CNC Miling Machine via USB

      Let’s print the PCBs by means of our CNC machine, that this time has been fitted with a controller that connects to a PC via USB, that draws the control signals and that regenerates timed pulses,...

    • Posted 1 month ago
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  • Taking an active interest in display technology

      This post is sponsored by         Choosing the right display technology for your next application requires an eye for detail A color display is hard to beat in any application and continued price...

    • Posted 1 month ago
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  • RandA & Raspberry Pi 3: what’s new

      RandA has been updated to be compatible with the 3rd version of Raspberry Pi: let’s going deep and explain all the new features. As you probably know, if you are familiar with the evolution of the...

    • Posted 2 months ago
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  • Presenting a robust and simple CNC Milling Machine

      Supplied with a robust chassis (made of plastics) and with three stepper motors, it is provided with a 9,000 RPM electro-spindle, to which it is possible to apply different kinds of milling parts, for the purpose...

    • Posted 2 months ago
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  • Control all your IR appliances through Bluetooth (or internet)

        A Bluetooth enabled remote that will help you control one or more IR-controlled electric payloads.   In this post, we are going to present a project for emulating an IR remote control composed of a...

    • Posted 2 months ago
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  • A 2-Channel Receiver that can save your old Motorola TX

      A 433,92 MHz Receiver that can be paired with a maximum of 10 Motorola TX each with relay outputs that can be set both in monostable or bistable mode.   Although we have had high security...

    • Posted 2 months ago
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  • A DC Motor Controller with Control Leds

      It can be controlled through logic levels to set the speed and the direction of the rotation of CC brushed motors and stepper motors; outputs have LEDs indicating the rotation direction.   The circuit board we...

    • Posted 3 months ago
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  • Build an open source Laser Reflection Barrier

      It allows us to detect the presence and passage of an object thanks to the combination of a laser diode which emits a light ray and a phototransistor which detects reflected light.   Robotics applications and...

    • Posted 3 months ago
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  • Save your Skin with this Open Source UV Index Detector

      It measures solar radiation and visualizes the corresponding value on the integrated display of a miniaturized Arduino, in order to tell us when to expose ourselves to the sun… Summer is just around the corner and...

    • Posted 3 months ago
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  • 2,8W Class D Amplifier

      Designed for small amplified audio speakers or as output stage for MP3 players, radio receivers or compact hi-fi systems; it is based on a class D integrated circuit which, thanks to the high efficiency, is ideal...

    • Posted 3 months ago
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  • An Electronic LED Roulette you can self build

      Let’s call back an electronic version of one of the most famous casino games: no tricks and no cheats… The “roulette” is without a doubt one of the most famous and practiced casino games in the...

    • Posted 3 months ago
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  • An Open Source Sprinkler System powered by Yún

        A control unit for the garden sprinkler that can be controlled via web and smartphone thanks to Arduino Yún. With summer approaching, our plants and our gardens need some regular watering in order to stay...

    • Posted 4 months ago
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