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Start programming with Node Js and Johnny-Five: IoT and robotics based on Arduino, Raspberry Pi, Orange Pi

Johnny-Five is an open source Javascript library that allows the rapid and easy development of connected objects or small robotic projects (articulated arm, radio-controlled car …). In the previous tutorial, we saw how to replace the GPIO of the Orange Pi which fishing by its lack of libraries by an …

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Driving the GPIO of the ESP8266 (Web Server) from Domoticz to TCP/IP Wireless – Part 2


We continue today the tutorial dedicated to the exchange of data between Domoticz and an ESP8266 by HTTP request and more particularly how to control the GPIO from Domoticz. In the previous article, we set up sending data from an ESP8266 to Domoticz. In this article, we will set up communication …

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ESP8266 (Web Client): Sending Data to Domoticz in TCP/IP Wireless (API/JSON) – Part 1


In this tutorial, we will use the ESP8266Client and ESP8266HTTPClient libraries to implement TCP/IP communication between and an ESP8266 NodeMCU module and the Domoticz API/JSON interface. We will use a temperature and humidity sensor DHT22 as well as a BMP180 atmospheric pressure sensor to publish real measurements on virtual sensors …

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