• Time of Flight technology: a Proximity laser sensor

      Based on Time of Flight technology, the module provides information to a microcontroller regarding distance detected in front of its optical sensor based on time-of-flight of a light impulse.   Contactless distance measurement, therefore employing electronics...

    • Posted 1 month ago
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  • Very Useful Circuits…for Everyone!

    With Very Useful Circuits, foundational concepts of electrical engineering are explored through progressive projects that illustrate the concepts in action. Instead of abstract words and dry formulas, explore the function of transistors, capacitors and resistors by building...

    • Posted 1 month ago
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  • Microsoft’s Raspberry Pi Simulator: a Fully Open Source Prototyping Tool

    Microsoft has released an early version of a free, open-source Raspberry Pi simulator that can be accessed right through a web browser. Using Microsoft’s Azure cloud computing platform the simulator allows users to code an emulated Raspberry Pi using...

    • Posted 2 months ago
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  • The 1sheeld Virtual People Counter

      A virtual shield and a smartphone, with the addition of ultrasound sensors that allow us to detect passage and direction of anyone crossing a passage. Most of Arduino’s success is also due to the fact that...

    • Posted 3 months 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 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 6 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 9 months ago
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  • An Easy Temperature and Humidity for Raspberry Pi on Indiegogo

    An open-source digital temperature and humidity sensor for Raspberry Pi that works using the serial port. The goal is to make an easy-to-use professional-grade alternative to the common DHT-22, which we see falls short on repeatability and userfriendliness....

    • Posted 3 years ago
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