Imagine installing the most advanced smart device in your home: the thermostat has been turned on before you get home. The coffee maker prepares a pot of coffee after you get up every day. The lights automatically adjust the brightness according to your habits... suddenly They have failed due to procedural issues. Don't doubt, this is what happened in the real world.   
Product type is not compatible with multiple systems
At present, there are hundreds of smart home products on the market, and each product from a different manufacturer has its own system and its own application. In order to cope with the different smart homes of these systems, some manufacturers have specially developed control centers for single products, such as Rovlv, Smarthings, and Staples Connect, but the problem is that there is still no control device that can be compatible with all smart products.
For example, Smarthings does not have wifi itself, so in order to interface with other smart devices, you must install a router. Like z-wave has its own independent standards, some products only have Bluetooth connectivity, and some have only wifi connections. Because product development is independent, control center equipment is far from solving these fragmentation problems.
Moreover, for reasons of safety and technical standards, many product manufacturers did not open the system to the control device, which made the control center difficult to operate. Staples stated that it does not support unencrypted devices.
Some users have tried to set up multiple smart devices, and suddenly all devices are out of order. This user claims that it is likely to be a program compatibility issue.
Perhaps the development of smart home products and system control will gradually become unified and standardized like a wide variety of computer brands and relatively single operating systems, but at present, smart homes are still far away.
Technology is immature, trivial and troublesome
Smart homes are still in the early stages and the technology is relatively immature. Although it is artificial intelligence, these devices are far from convenient, compared to the vastly different needs of millions of users.
Although Revolv does a good job of sensing technology, it is compatible with most devices, but it does not touch smart lights that are too far away. The limited control range, in order to make the control center satisfied, the user must also put the bulb closer. In addition, Revolv does not recognize multiple phones, which means that if its owner leaves but the family is still in the house, Nest will automatically close.
The control center automatically controls each device according to the user's living habits. For example, when the user gets up, it will automatically turn on the lights and make coffee, but if the user just gets up in the middle of the night or goes to bed at the weekend, it will continue to activate the program. These are all problems that the technology has not yet been perfected.
Some smart devices have also had problems with the materials. Fitbit's smart wristband is a fitness tracker. It has recently recalled all the products in the series because it found that its Force series wristbands have caused skin irritation to some users.
Many complicated problems are complicated
Smart devices are built around intelligence and humanity, but sometimes developers' efforts in this area seem to be too far behind. For example, the control center can tell the user when he leaves home, which door is open at home, and open the gallery when he gets home, but it is very cumbersome and trivial to figure out all these operations.
Some smart products can change a lot of patterns, such as Philips Hue smart lights with 16 million color changes is a bit redundant. Some are too sensitive, and even a cat will send reminders to users outside the house.
The bigger problem is that these smart devices require regular or irregular upgrades to the maintenance system, and the manufacturer's warranty period is usually limited. Of course, perhaps not yet in the warranty period, many people choose to replace the device, because the replacement of smart devices is very fast.
In short, at present, artificial intelligence can only implement some automated programs and simple intelligent identification, but each user's living habits are different, and their requirements for intelligence are different. These devices are currently unable to identify some subtle changes. . Smart homes are still a long way from maturity.
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