President Donald Trump’s latest round of tariffs — including a now 125 percent levy on Chinese imports — will hit the smart home industry hard. Many smart home device makers are already struggling, thanks, in part, to Trump’s first round of tariffs. Increased competition from budget smart home companies largely based in China has also played a part, and so has slower takeup from homeowners than the industry expected. Smart home control panel maker Brilliant cited tariffs and supply chain issues along with weaker-than-expected demand when it was close to shutting down last year. This year, robot vacuum maker iRobot…