TOOL

FluentHMI-Studio (35 stars): a free drag-and-drop HMI builder for Modbus and MQTT on Qt 6.

FluentHMI-Studio is a C++ and Qt 6 desktop app where you drag widgets onto a screen and bind them to serial, TCP or MQTT data, including Modbus RTU and TCP. It exports a standalone operator app in under a second with no compiler. A free way to mock up an operator screen for a skid or test bench.

For controls techs and hardware engineers building quick operator screens.

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Hyperscaler cooling specs now decide who wins orders, after Eaton, Schneider and Ecolab spent about $15B on liquid-cooling deals.

Michael Job notes Eaton, Schneider and Ecolab spent about $15 billion buying liquid-cooling makers, led by Eaton's $9.5 billion Boyd Thermal deal, yet none of their brands made Nvidia's first qualified cooling list. He argues hyperscaler-written specs decide who wins orders. If you buy the gear, write the spec version into design docs and ask bidders which version they built to.