Build vs buy for industrial controllers: the common mistake I see
After 13 years of industrial projects, I can usually tell early how a build-vs-buy decision will go. And it tends to go wrong the same way. The engine…
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How Data Moves in a Connected Factory: From Sensor to Dashboard
Industry 4.0 gets talked about like it is one big thing. In practice, it is a data pipeline. Sensors generate readings. Gateways process them. Cloud p…
Free SCADA Alternative for Small Facilities - awtSCADA vs Wonderware vs Ignition
Why I Built a Free SCADA Alternative Commercial SCADA systems are insanely expensive: Wonderware (AVEVA): $25,000+ license Ignition: $4,000-$50,000/ye…
I bought the most expensive cable I could—and it still died. Welcome to RS485 vs 1000V DC.
A Class A solar pyranometer, the original shielded cable, 10 meters. Dies every 1-2 hours. In the end, I switched to 4-20mA. A few years ago at a sola…