The most frustrating aspect of smart homes is when devices suddenly disconnect or commands are delayed. The secret behind this lies in the communication chip algorithms—firmware in the chip acts like the brain of the device. If the algorithms are well-written, the devices operate intelligently and stably; if poorly written, the devices can create chaos in the home! Why are wired systems stable? It’s all thanks to the gateway providing a safety net. In fact, wired transmission can occasionally lose packets, but the probability is so low that, combined with the gateway’s support, it is hardly noticeable. If a wireless system has a good algorithm and is paired with a gateway, its stability can completely catch up to traditional wired systems, making it 100% reliable! When it comes to Bluetooth systems, two key metrics must be considered: the number of devices controlled and the speed of status feedback. A good system should be like commanding an army—controlling not just one or two hundred devices, but even thousands simultaneously, with delays kept under one second! If a system can only handle a hundred or so devices, it’s likely that the algorithm is holding it back. People often ask how far Bluetooth Mesh can transmit. Each device acts as a relay station, allowing signals to be transmitted over several hundred meters, with stability soaring to 99.9%! The critical delay must be kept in check; a typical household should complete responses within 200 milliseconds, which is the real skill. If every time you turn on a light you have to wait one or two seconds, we would have thrown the remote against the wall, right? The most impressive test is scene control: turning on 100 devices simultaneously, with status feedback arriving like a well-organized parade, all in perfect unison within one second! This is what a smart home should look like—not just cold, hard technical specifications, but a comfortable experience that makes you forget the presence of technology.