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Robotic fish made of PVC pipes

Posted on October 6, 2016 by R-B Leave a comment

Eric Dirgahayu’s robotic fish is made of PVC pipe and waterproof servos that are controlled by an Arduino board. Her future plans are to include sensors to measure the quality of water and a few other devices to study underwater ecosystems without disturbing the marine life. It is controlled by an IR remote. First we prepare materials that we will use to create the head of robot fish. the material is a flatten water pipe pvc how to Flatten the water pipe you can see on my previous Intructables here http://www.instructables.com/id/How-to-flatten-the… If you already get flatted pvc, you can download PDF patterns design

Raspberry Pi All Sky Camera

Posted on October 6, 2016 by R-B Leave a comment

Thomas Jacquin built this Raspberry Pi based all sky camera to capture the Northern Lights. Capable of taking pictures of the entire sky over a certain amount of time, the camera is best suitable for recording meteor showers and other astronomical phenomena. I built mine to monitor the northern lights. I live in the Yukon and we sometimes get beautiful aurora displays during the night. However, I also have a day time job and I need my 8 hours of sleep. I created this camera to record a movie of the entire night. That way, I can replay the movie

SolarSurfer: A robotic surfboard

Posted on October 5, 2016 by R-B Leave a comment

The SolarSurfer is a neat concept of building a solar-powered robotic surfboard submitted to the 2014 Hackaday Prize by Rusty Jehangir and his team at BlueRobotics. It’w built using an 8 feet surfboard and is powered by a 120 W solar panel and a 12V lead acid battery. It’s also equipped with a GPS system, satellite modem, and sensors that collect ocean temperature and pH values during the journey. The surfer is guided by a 3D Robotics APM2.6 with a uBlox GPS. A RockBLOCK satellite radio from Rock Seven let’s us communicate back and forth with the SolarSurfer to monitor its position,

Arduino music player

Posted on October 5, 2016 by R-B Leave a comment

Dejan Nedelkovski from How to Mechatronics recently posted a new project tutorial on making an Arduino-powered MP3 Music Player plus Alarm Clock. It features a professional looking touchscreen user interface using a 3.2″ TFT LCD. The home screen displays time, date and temperature along with touch control buttons for running the music player and setting the alarm clock. While the music being played, you can also see a progress bar for the song. The project is built using an Arduino Mega board. For mp3 player, it uses the BY8001 module, which is a MP3/WAV player with MicroSD support and a built-in 3W audio amplifier. The time keeping

Automatic solar charge controller

Posted on October 5, 2016 by R-B Leave a comment

Based on Michael Davis’s circuit, vina1991 built an automatic solar charge controller for a 12V battery using the 555 timer IC. It is a switching circuit controls the connections between the solar panels output and battery terminals. You can set the upper and lower thresholds for battery voltage so that the charger can automatically switch back and forth between charging and cut-off mode. When the battery terminal voltage goes below the lower limit, the charging process begins, which stops automatically when the battery voltage reaches the upper limit. The switching is performed using a relay switch.

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