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GPS asset tracker mounted on construction equipment

GPS Asset Tracking for Equipment: Choose, Install, and Verify a System

Posted on 2026-08-17 by Sam Snider

GPS asset tracking for equipment: compare powered, battery, and solar devices, choose cellular or satellite coverage, configure alerts, install correctly, and verify each route.

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Fleet & Asset Tracking
Ladder logic simulator showing a motor starter rung and virtual I/O states

Ladder Logic Simulator: Free and Open-Source Options for Practice

Posted on 2026-08-16 by Sam Snider

Use a ladder logic simulator to compare free and open-source options, then build a motor-start ladder exercise with tags, scan tests, fault cases, and saved evidence.

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Automation Connectivity
Ladder logic practice screen with simulated inputs and outputs

PLC Technician Certificate: A Practical Path to PLC Programming Skills

Posted on 2026-08-14 by Sam Snider

A PLC technician certificate should connect lessons to lab work, assessment, and portability. Compare academic, provider, vendor, and industry routes, then practice with simulated PLC projects.

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Automation Connectivity
M2M telemetry path from field devices through gateways to an HMI

M2M Technology in SCADA and ICS: How HMI Systems Communicate

Posted on 2026-08-12 by Sam Snider

Learn how M2M technology links field devices, controllers, RTUs, gateways, networks, SCADA services, and HMI/SCADA screens for telemetry, commands, timestamps, alarms, and confirmed control.

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Edge Devices
Tank-fill PLC ladder logic with field I/O, HMI command, SCADA status, and alarm paths

SCADA HMI: How PLC Ladder Logic Drives Process States

Posted on 2026-08-10 by Sam Snider

SCADA HMI systems show and command a PLC process without replacing the controller. Follow a tank-fill example from field I/O and PLC ladder logic to tags, alarms, scan behavior, and SCADA history.

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Automation Connectivity
SIM card beside phone settings for APN and ICCID identification

What Is an APN Number? APN, ICCID, and SIM IDs Explained

Posted on 2026-08-08 by Sam Snider

What is an APN number? Learn what the APN profile controls, how an ICCID check verifies your SIM identity, and where to find your SIM card number on a phone or physical card.

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SIM & eSIM Operations
Rugged laptop used outdoors in a demanding work environment

Toughest laptops: A practical budget guide to rugged protection

Posted on 2026-08-06 by Sam Snider

Toughest laptops are not always the best buy. Compare drop, water, heat, sunlight, performance, repair costs, and warranty coverage to find the right rugged protection.

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Cellular Hardware
SIM card showing a printed ICCID number

How to Find Your SIM Card Number and Read the ICCID

Posted on 2026-08-05 by Sam Snider

Learn how to find your SIM card number on a physical SIM or in phone settings, then understand what an ICCID identifies and how it differs from the IMSI, IMEI, EID, and your phone number.

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SIM & eSIM Operations
Rugged laptop and cellular router mounted in a field vehicle

Heavy Duty Laptops With Cellular Modem Routers for Field Work

Posted on 2026-08-03 by Sam Snider

Compare heavy duty laptops for field work by drop, ingress, temperature, service, performance, and weight. Match the cellular connection to bands, antennas, power, failover, and carrier needs.

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Cellular Hardware
USB-to-Ethernet adapter connected to a T568B RJ45 cable

USB-to-Ethernet Adapter Setup: T568B RJ45 Wiring and Testing

Posted on 2026-08-01 by Sam Snider

Choose a USB-to-Ethernet adapter by connector, USB generation, Ethernet speed, chipset, drivers, and power. Wire T568B RJ45 correctly, then check link status, DHCP, negotiated speed, and throughput.

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Ethernet & Cabling

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