Asian shares have tumbled, with benchmarks in Tokyo and Seoul sinking more than 3%, after Nvidia and other artificial-intelligence-related shares pulled U.S. stocks lower. On Monday, the S&P 500 lost ...

MQTT is a communication system that helps different parts of your smart home talk to each other. For Zigbee2MQTT to work smoothly with Home Assistant, you usually need an MQTT broker, which is like a ...