For some years I was in doubt if I could run Raspbian OS, operating system for Raspberry Pi, on a normal computer. Five years ago there was an option using QEMU, it was the only method to run an operating system designed for ARM processors, at that time my attempts were unsuccessful. Currently on the…
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Initial Review Meter PZEM-016 Modbus RTU RS485 by PeaceFair
In previous tutorials, we conducted tests with the PZEM-004 y PZEM-004T with display, single-phase power consumption meters , which have great potential for basic applications of electrical consumption measurement or active power. For some months I have a new Peacefair PZEM-016 meter which has features and additional improvements which we will see in the following…
First Test Programming PLC Lollette FX3U 14MR / LE3U / FX3U / FX3UC Ladder Part 2
Continuing with the revision of PLC Lollette, this time we will use the Gxwork2 we will make our first code download to plc, we will create a very basic routine to test it. I bought this PLC in the online store Aliexpress, for less than 30 dollars !!!. there are many versions and variations that…
Revision Hardware PLC Lollette FX3U 14MR / LE3U / FX3U / FX3UC Part 1
For some months I have a PLC Lollette, in one of our previous videos indicate how to download the programming software demo version Tutorial Installation Gx Works2 Demo for Programming PLC LE3U FK3U Lollette, in this opportunity we will make a brief characterization and disarming the PLC which cost less than 30 dollars!. We will…
Quick test Amazon Echo Dot (Alexa): ESP8266 WEMOS – Relay 3v DFRobot – Emulating WeMo Switch
Some time ago I made a review of a smart speaker Echo Dot Amazon, Tutorial: Alexa Amazon Echo Dot First Steps and Configuration, this time adding an ESP8266 module Wemos version and a Gravity Relay module to 3v of the DFRobot Online Store, emulate a Wemo Belkin switch. I’m testing the alexa Skills that are…
Integration PLC Panasonic Device Types – Bulk upload devices with Ubidots
En In this opportunity we will carry out tests with a Programmable Logic Controller, in this case a PLC FP-X C14R compact Panasonic brand, we will control it from the IoT Ubidots platform. On this occasion we use 2 very interesting features of the Ubidots platform. Device Types: Creation of advanced properties for our devices….
Complete installation Database MySQL & MariaDB in Raspberry Pi 3 B / B +
Among the most popular databases this MySQL has 2 types of licensing General public license and commercial license, it is considered the most popular open source database in the world is included in almost all hosting very used by WordPress, is also included as a component of development in LAMP and XAMMP. Previously, make a…
Complete installation Grafana Dashboard in Raspberry Pi 3 B / B +
About 2 years ago I made the first tests with Grafana using an ESP8266-01 module, Node-RED, Mosquitto (MQTT) and the InfluxDB database, by that time I did very basic tests which document in the following article: Tutorial ESP8266 Node-RED Granafa InfluxDB MQTT, in this opportunity I will try to explore more features since there is…
Testing Module ASC201-V1.0 Gosling Converter 0-10V to 4-20mA from ICStation
At an industrial level there is a great variety of control signals in this case we will carry out tests with one of the most used control and monitoring signals in the industrial 4 to 20mA. For this first review we will use a PLC Panasonic but in upcoming tests we will test with other…
Gateway LoRaWan ESP8266 & RFM95 (ESP-LoRa) 915mHz single channel with The Things Network
For a few weeks I have tested with LoRa technology, we have also heard about LoRaWAN, some time later we created an account on the TTN Platform or “The Things Network”, applied especially to these LP-WAN networks, for this new tutorial we will create a gateway LoRaWAN using an ESP8266 module and a Radio Modem RFM95/95W at…