A secure way to enable access to projects is through the use of fingerprint scanning. This tutorial uses the 5v TTL unit from Sparkfun. The scanner does not come with a cable, so make sure you also order the JST SH cable.
in this project i want to show and explain you a range sensor with ultrasonic and a 20x04 lcd screen. I wrote the code for this project myself and added lots of comments, so that everybody can understand it and use it for other projects (maybe a light range sensor?!). It is easy to build and much more easier to program, it just requires a few cheap parts and can run on battery, for a portable rangefinder.
Dal 1° giugno 2014 gli impianti termici devono essere muniti di ‘Libretto di impianto per la climatizzazione’ e al termine degli interventi di controllo e manutenzione deve essere redatto il ‘Rapporto di efficienza energetica’.
È quanto prevede il DM 10 febbraio 2014 del Ministero dello Sviluppo economico, pubblicato in Gazzetta Ufficiale, che contiene i modelli di ‘Libretto di impianto per la climatizzazione’ e di ‘Rapporto di efficienza energetica’, di cui al Regolamento in materia di esercizio, conduzione, controllo, manutenzione e ispezione degli impianti termici (Dpr 74/2013)
Ecco il Decreto 10 febbraio 2014 con i modelli impianto
Most of the home automation Arduino projects I’ve been working on lately use wireless communications (WiFi, Bluetooth, or XBee). Or at least these projects are interfaced with a computer via the Arduino serial interface. And one problem I had is that I felt I was reinventing the wheel at every new project, because I didn’t have a standardised way to make these projects communicate with an interface running on my computer.
This post is part 1 of 4 in the series Raspberry Pi5001Getting Started with Raspberry pi and Node.js Did you know that there will be 6.18 billion devices connected to the internet by the end of 2014 and a whooping 19.42 billion devices between 2015...
I will show you how to build your own smart home. It shows the temperature both inside and outside, if the window is open or closed, shows when it rains and make alarm when the PIR sensor senses move. I made the application on the android to display all the data (you can also watch it on browser). You can see temperature in your home and other information from all over the world! Application is translated to english and polish. I built it because I wanted to make my own smart home and control it. If you want, you can make your own smart home, all you need is parts (listed below) and a lot of desire. So let's get started.
Arduino user DavidMJBos sent us a project using Node js server on the Arduino Yún to control the lights, heating and some other sensors in the office of Appsaloon, the company where he’s doing an internship.They already use Node.js for a lot of things and some of them are pretty cool with it.That’s how they did it:
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