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“Retrieves air moisture, temperature, detects the presence of the queen bee, and also gives the weight of the bee hive. As part of our studies at Polytech Sorbonne, Sorbonne Université (ex Polytech Paris UPMC, Université Pierre-et-Marie-Curie), our teacher gave us …

“Earthquake sensor using the Sigfox network. Context The main objective of this project is to develop a device able to detect and characterize earthquakes. Our goal is to send the collected data to a Human Machine Interface on a web …

“Unique tool and desktop or wind sill trinket to alert when the ISS is overhead. The International Space Station (ISS) has been up and running since 2000. Since that time, we have always had humans living in space. (Pretty Awesome …

“This 3D printed solar USB charger is inexpensive and easy to make. It’s compatible with almost any device that charges via USB. In direct sunlight it is capable of charging the internal battery at about 500 mah, and can …

“In this project I present you the power supply module I use mainly for my ARDUINO projects. Basically the circuit use a 3,7V 1800 mAh Lithium battery connected to a breadboard power supply module This configuration give us a …

“Are you really concerned about safety in the surrounding areas of your house? If so, using solar-powered motion security lights can definitely help you!. You can get it easily in the market, but if you have a tight budget and …

“Solar chargers converts only 55% of the solar energy, this cost a lot of solar panels. MPPT chargers converts almost 99% of solar energy. Well, The most advance solar charge controller available in the market is Maximum Power Point Tracking …

“DC -> DC -> DC Solar. With a single used solar panel, a few used batteries, and $40 in parts you can power your life, transportation and all. ESP32 Arduino + DC-DC buck-converter + Solar Panel + Battery = internet-connected, privately hosted smart solar MPPT …

“What is a Godot Machine? It is part of the human experience that we can find ourselves in a state of waiting for something that might eventually happen after a long time of waiting, or not at all. The Godot …

“Extending motionEyeOS on a Pi Zero to support pan/tilt servos, battery backup and an on-screen status display. Calin Crisan’s excellent motionEyeOS is a complete Linux distribution that turns the Raspberry Pi Zero into a highly functional wireless webcam …