A Solar tracker was created in order to focus solar panels perpendicular to incoming sunlight. This position of the solar panel is optimal for photovoltaic energy generation. The efficiency of the Solar Tracking system vs normal use of solar panels was compared using data collected by my Arduino Power Logger (See details of Power logger in one of my other projects).
The seismometer is a device for the detection of earthquakes and measuring their strength. Basically these are very precise instruments and are relatively difficult for self-construction. Commercially available sensors are very expensive, and cheap electronic modules sensitive to shocks are not sufficiently sensitive to this purpose. In the text and video that follow, you…
A new Arduino-like board ready to “devour” the competitors: not surprisingly, it was called Shark. Let’s see how to use it. Second and last episode. Read the first post about Fishino Shark The sea of Fishino, our series of prototyping boards compatible with the Arduino family, has recently completed its population: as we have…
Prusa Research develops 3D printing hardware, electronics, software, and firmware. Unsatisfied with the quality of affordable filament available on the 3D printing market, Prusa and his team of over 40 professionals began building a filament factory to develop and perfect their own range of materials. With the intention of gaining full control on final print quality,…
Motion detector based on the Doppler effect, made by combining a specific sensor with a circuit that amplifies the output signal. Now the devices used in presence and movement detection systems, to be combined with automations for opening doors and turnstiles but also with anti-theft and anti-intrusion systems, stand out passive infrared radars (otherwise called…
A maker known as PRBS23 has freed the MasterBuilt Gravity 800 Grill controller from proprietary firmware, replacing it with an open source firmware featuring PID temperature control, over-the-air updates, and a real-time web interface.
How To Mechatronics has come up with a bender that not only twists wire left and right, but can rotate to create three-dimensional shapes. The 3d wire bending machine is powered by an Arduino Nano, which controls three stepper motors for wire manipulation via DRV8825 driver boards. A servo motor is also implemented in order…
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