![]() ![]() ![]() In case you are using the USB connector from your PC to power the Arduino board, be aware that short-circuits which may occur on the Arduino board may also have a negative impact on your PC!Ĭredits: some of the images from this tutorial are created by using Fritzing, a nice electronics modeling tool for beginners.ĭownload the Source Code for this project Arduino + ESP8266 = "I'm online, Mum!"Īfter we've managed to read data from the environment using sensors, we want to store the data for later use, such as statistical analysis or visualization. We cannot be held responsible for any caused damage! Do it at your own risk and/or ask help from an electronics engineer. However, the low voltage may be obtained from a mains connected power brick, and therefore we highly recommend you to take safety precautions and to use a trustful brand for the power supply. For this project we'll use 5V, which is safe for the human body under any environment conditions. This tutorial is part of our learning materials on the Web of Things published on .ĭisclaimer: working with electricity is dangerous. Part 2: Connecting to the Real World via Sensors. ![]() You may first want tor read the previous parts of this tutorial series: As a newbie, it is helpful if you already have some familiarity with C/C++ programming and Web technologies, such as HTML and JavaScript. Using standard Web technologies, such as HTTP and Web Sockets, we can then access the data or provide commands to the WoT nodes. In the following parts of this tutorial, which will appear every 1-3 weeks, we discuss how to control actuators and connect them all together in a Web of Things (WoT) app. This third part shows how to set up a connection between an Arduino and the Internet via a WiFi network and use HTTP(S) to send data to a free cloud service like ThingSpeak. In this multi-part tutorial we show how to develop Arduino-based apps for the Web of Things (WoT). ![]()
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