In this article we will be more specific about the use of light bulbs or, similarly, sensors with Zigbee standard. This protocol represents one of the main wireless communication standards with specific application to the smart-home. The use of low-power and low-consumption antennas guarantees considerable energy savings in battery powered sensors, allowing continuous operation for a long time. In addition, the mesh structure allows the network to perform beyond line of sight, overcoming corners, obstacles and passing through different levels of a building.
The need to buy one or a group of "smart" bulbs arises from the need to be able to control your home comfortably from your smartphone, even remotely.
As far as "smart" bulbs are concerned, for example, we can find many brands on the market, but, essencially, they can be divided into two types:
WiFi bulbs can be controlled from your smartphone by connecting them directly to your home WiFi router. While this may seem like an advantage, this link introduces a number of issues:
As in the case of WiFi bulbs, remote control via smartphone is also possible with Zigbee. To work, Zigbee devices require an additional hub to control all peripherals, bringing the benefits of the Zigbee standard to the network: