Latest Security & Access Technical Articles

In this article, we will explore real-world considerations for strain gauge performance and typical applications. We’ll…

In this article, we will explore real-world considerations for strain gauge performance and typical applications. We’ll be talking about foil and wire strain gauges, but ignoring semiconductors.

To transfer data from a local spreadsheet to a database to create visual dashboards, we must now define the outbound…

To transfer data from a local spreadsheet to a database to create visual dashboards, we must now define the outbound integration to the PostgreSQL database through the mage.ai editor.

In this article, we will explore the inbound integration to the mage.ai pipeline, connecting to the spreadsheet data…

In this article, we will explore the inbound integration to the mage.ai pipeline, connecting to the spreadsheet data source using the Google Sheets API through a JSON credentials file.

Data pipelines are software services that progress the data from source to storage, hopefully without too much…

Data pipelines are software services that progress the data from source to storage, hopefully without too much programming complexity. In this article, we begin by initializing the mage.ai software.

As we approach the conclusion of this IIoT project, we’ll explore the integration of the Mosquitto MQTT broker,…

As we approach the conclusion of this IIoT project, we’ll explore the integration of the Mosquitto MQTT broker, Node-RED, and InfluxDB, leaving only the data dashboard setup for the final step.

Learn to develop an actual IoT solution end to end. Create a Mosquitto MQTT broker for the Raspberry Pi client in order…

Learn to develop an actual IoT solution end to end. Create a Mosquitto MQTT broker for the Raspberry Pi client in order to connect and publish Sense HAT sensor data.

Learn to develop an actual IoT solution end to end. This second article explains configuration files, testing the edge…

Learn to develop an actual IoT solution end to end. This second article explains configuration files, testing the edge device publisher script, and viewing the payload using a sandbox subscriber script.

An overview of HMI data types, input controls, output indicators, and message functions, the building blocks used to…

An overview of HMI data types, input controls, output indicators, and message functions, the building blocks used to construct informative and appealing HMI applications.

Some controllers and network devices have one port, while others have two. Why is there a difference, and what advantages…

Some controllers and network devices have one port, while others have two. Why is there a difference, and what advantages does having two network ports actually provide?

Designing a control system is a difficult task in itself, but designing the graphical interface for an everyday user can…

Designing a control system is a difficult task in itself, but designing the graphical interface for an everyday user can be a very different kind of challenge that involves mental and physical considerations.

Understanding the building blocks of s-domain analysis and magnitude response theory can go a long way in helping…

Understanding the building blocks of s-domain analysis and magnitude response theory can go a long way in helping engineers predict how and why some system design choices are made over others.

User-defined data types (UDTs) are a powerful and useful tool when applied to their full advantage. However, misused,…

User-defined data types (UDTs) are a powerful and useful tool when applied to their full advantage. However, misused, they can become problematic and introduce roadblocks to troubleshooting and upgrading PLC programs.

What are these terms, PLC, PAC, RTU, DCS, SCADA? Why are they so important to industrial robotics and automation? Explore…

What are these terms, PLC, PAC, RTU, DCS, SCADA? Why are they so important to industrial robotics and automation? Explore how each different piece functions to build a comprehensive automated system.

Virtual networks can connect or isolate various local control networks through configuration of a managed switch. Why…

Virtual networks can connect or isolate various local control networks through configuration of a managed switch. Why would we use VLANs, and how can you segment a network switch to create a VLAN?

An introduction to the various tag types used within one of the leading supervisory control and data acquisition (SCADA)…

An introduction to the various tag types used within one of the leading supervisory control and data acquisition (SCADA) software powering IIoT, HMI, and I4.0 applications: Ignition by Inductive Automation.

We see smoke detectors on a daily basis in every house and building we visit, but the same sensor elements, and others,…

We see smoke detectors on a daily basis in every house and building we visit, but the same sensor elements, and others, can be used to detect the presence of harmful gasses and heat in all industries.

Designing, installing, and maintaining control systems involves a lot of wires. Each wire has a purpose, often indicated…

Designing, installing, and maintaining control systems involves a lot of wires. Each wire has a purpose, often indicated by the color of the insulation. But what are the common colors, and what do they mean?

Radiation, despite its reputation in pop culture as a harmful emission resulting from a natural disaster, is a property…

Radiation, despite its reputation in pop culture as a harmful emission resulting from a natural disaster, is a property of many materials and processes and must be carefully monitored for quality and safety.

Vibration sensors measure the mechanical vibration of an object, making it possible to monitor machines for early signs…

Vibration sensors measure the mechanical vibration of an object, making it possible to monitor machines for early signs of failure to prevent costly and dangerous breakdowns.