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…

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….

Review Module Wemos TTGO ESP32 + OLED V2.0 + DHT11

I present a TTGO ESP32 module, this device has caught my attention since it is very complete, I ordered one to the Banggood.com online store for testing, the interesting thing is the union of the well known ESP32 module, DHT11 Sensor (Temperature / Relative Humidity ), 0.96 inch white OLED display, charging circuit for Lithium…

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…

Installation Gx Works2 Demo for Programming PLC LE3U FK3U Lollette

  They are widely used for industrial applications Programmable Logic Controllers or PLC, I have had the pleasure of handling some of the following brands Allen Bradley, Panasonic (NAIS), Omron, Siemens, Opto22 and Festo. Many of these well-known brands have something in common they are not 100% available to us either by cost, distribution or…

10 Professional PCBs for $ 2 with JLCPCB – Ard-LoRa Prototypes

In my last tests I have used platforms like ESP8266 implementing LoRa modulation and in some applications with LoRaWAN, in this opportunity I will use the Arduino platform and I will manufacture a prototype I have contacted again to JLCPCB that they offer a PCB manufacturing service at a very reasonable price. In this opportunity I will use…