How to make remote temperature measurement using Raspberry PI, DS18B20, PHP and PostgreSQL. This projection will show you how to easily make a temperature logger using the above technology. The entire temperature logger will be made using the PostgreSQL database. I will also show the example of a working online temperature logger on my website. This article can also see here: Raspberry PI with DS18b20 web server PHP - Remote temperature measurement
By News Aggregator By Arduino Team On Arduino Day, we announced the latest member of the Arduino MKR family: the MKRFOX1200. This powerful IoT development board offers a practical and cost effective solution for Makers looking to add Sigfox connectivity to their projects with minimal previous networking experience. The MKRFOX1200 shares several similarities with other …
James Wood @ edn.com writes: The Design Idea in Figure 1 indicates a low-battery condition in an audio test instrument that is powered by four AA cells. As the instrument was otherwise an all-discrete design, this same approach seemed more in keeping with the spirit of the project than the use of a single-sourced integratedRead More
Rui @ randomnerdtutorials.com tipped us with his latest project. He writes: In this project you’ll create a standalone web server with an ESP32 that can toggle two LEDs using the Arduino IDE programming environment. If you want to learn more about the ESP32 dev board, read my Getting Started Guide with ESP32. ESP32 Web Server – ArduinoRead More
This was our final lab project for Vanderbilt's biomedical instrumentation class. The idea is that a simple sensor could be implemented to control a quadriplegic vehicle. Our approach to this problem was by utilizing an accelerometer that could be easily attached to a hat. The vehicle would then be controlled by the degree of tilt on the accelerometer as the user tilted their head in the desired direction of travel. In the case of our project, we used an RC car as our proxy in place of an electric powered wheel chair.
Is your cat sad? Are the hundred's of toys you buying not satisfying your cat needs? Well look no further, the Jerry 2000 will solve your issues and this is how to build it!The Jerry 2000 is a simple idea, it is a small box where a mouse will be sticking out, as our cat will be approach it two sensors will sense the cat within 20 cm and pull back the mouse will a pulley system made with a servo. The mouse will stay inside until the cat moves away and when it does it will pop back out again.
I have done seven Instructables to reproduce some among the most popular old arcade games by means of a bare Arduino and few basic components. The main feature is the generation of a VGA signal, thanks to the VGAx library, published on GitHub by Sandro Maffiodo aka Smaffer. On the other end any games needed a slightly different configuration, i.e. a different number of buttons and/or potentiometers to drive it. Finally I decided to build a single game platform, and to correct the codes consequently, for all games, in particular: Pong, Tetris, Breakout, Snake, Bomber and a drawing toy inspired to Etch-a-Sketch. In this Instructable you can find three codes, (Tetris, Snake and a code for the other four games put together), and the instructions to build a “console” as the one shown in this page. I decided to split it in two units: one with a potentiometer and fou
This project is designed using normally-closed reed switches connected to doors and windows and additional passive infrared (PIR) motion sensors to detect movement of a burglar or an unwanted intruder in your home. The security system can dial up to two phone numbers to alert you. It can also send text message to one of the numbers.
Build your own microstill and prepare spirits at home.The microstill is a home appliance to prepare spirits. Design and software are freely avialable at microstill.net.The bill of material can be found in the blog.A kit will soon be available from the shop.
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