ESP8266 & Public MQTT Broker HiveMQ & Node-RED

The MQTT protocol has taken great strength in recent years since it is simple, safe, practical and lightweight perfect for IoT and M2M applications. Thanks to the contribution of developers and developers of MQTT applications, there are public MQTT Broker for Internet monitoring and control tests, are available to connect from any MQTT client in…

Tutorial ESP8266 Node-RED Granafa InfluxDB MQTT

Based on the previous instructions of the ESP8266 connection with the Node-RED implementing the mqtt protocol, we have performed tests of the connection of several software platforms for the collection and visualization of data. We consider these 2 Grafana and InfluxDB for development and Interactive From the internet of things. Install Node-RED Installation Node red Platform…

Tutorial Amplifier Audio PAM8302A ESP8266 Node-RED MQTT

There is a great variety of arduino tutorials generating melodies, one of the most common the famous “Imperial March” of the well-known Star Wars movie, I downloaded one of the examples for Arduino I made several modifications to work on an ESP8266 01 and I have included An audio amplifier to this test. We have also…

Tutorial ESP8266 DS18B20 Temperature Node-RED MQTT (Mosquitto) IoT

This time the integration of ESP8266 and the Node-RED platform was realized integrating a sensor DS18B20 of Protocol of Temperature Onewire. From an HMI or SCADA Web creator on Node-Red-Dashboard using the MQTT protocol and the pubsubclient library converting the ESP8266 into the MQTT Client will perform the sensor reading periodically. Video Test ESP8266  Temperature DS18B20…

Tutorial ESP8266 Control Servo Node-RED MQTT (Mosquitto) IoT #2

This time the integration of ESP8266 and the Node-RED platform has been made integrating an actuator in this case a servo controlled by PWM with rotation from 0 to 180 degrees. From an HMI or SCADA Web creator on Node-Red-Dashboard using as base the MQTT Protocol and pubsubclient library converting the ESP8266 into MQTT Client….

Review Module RAK811 LoRa Node AT-Commands LoRaWAN # 3

Some time ago, in previous tutorials we have already determined some factors to choose the appropriate gateway (gateway LoRaWAN) for your LoRaWAN application, this tutorial was created gathering considerations before starting, with considerations scopes and concepts about LoRaWAN. Based on these considerations, a robust, powerful and functional gateway or gateway has been assembled according to…

Update HTTPS Redirect Version 2.0 ESP8266 & Google Spreadsheets

In previous tests we made the communication of an ESP8266 module and bidirectional sending of data to a Google Sheet  with the help of Google Script, Initially thanks to Sujay Phadke “electronicsguy” the creator of the HTTPSRedirect library, a few months ago I made considerable improvements to said library and we will do a quick…

Testing Industrial Platform Groov and ESP8266 NodeMCU

This time we will test the Groov platform, but what is groov? Is a solution (IIoT) created by Opto22 for the visualization, control and monitoring of industrial equipment from pc, mobile devices, tablets, smartphones and smart tv. It supports SNAP PAC controllers, Modbus TCP / IP devices and other PLC controllers from other brands such…

ESP8266 Platforms

ESP8266 Platforms Compilation of videos in chronological order of tests performed to the module ESP8266 and various IoT platforms, you can visit Our Youtube channel PDAControl   Tutorial Platform IoT Adafruit.IO & ESP8266 12E Part 1/2   Test Platform IoT Blynk & ESP8266 12E NodeMCU Part 1/2     Tutorial Platform IoT Cayenne my devices and…