Meter PZEM-004 + ESP8266 & Platform IoT Blynk App

In this opportunity we will integrate our active power meter or electric consumption, Peacefair Pzem-004 with the IoT Blynk app platform available in Android & iOS apps stores using an ESP8266 module, later we will create a dashboard to visualize…

Installation node Modbus TCP Node Red

In the search for attachable communication protocols Node-Red I found thanks to the collaborative development a library or nodes for communication Modbus TCP IP, the following tutorial is indicated as installing the nodes in lubuntu (Ubuntu). Previous tutorials Recommended Tutorial 1…

Introduction to OPC Servers

The OPC (OLE for Process Control) is a communication standard in the field of control and monitoring of industrial processes, based on Microsoft technology, which provides a common interface for communication that allows individual software components to interact and share…

Test ESP8266 + DS18B20 Onewire + Google Speadsheets (Google Docs)

If we want a simple solution to monitor temperature, for complicate applications? if we have Google Docs, This test perform temperature measurement using a probe DS18B20 and transmit directly to  Google spreadsheets using as Google app script bridge. For this…