Under the wave of the Internet of Things, which communication method is used to connect the hardware to the cloud? This is a headache for all smart hardware entrepreneurs and consumers. As the most fashionable and most technological light factory in the moment, I will venture to introduce the differences between the three modes of ZigBee, Wi-Fi and BLE.
I don't think anyone is more suitable than our yeelight to introduce, because there are three smart lighting products on the market, which correspond to three modes, and explain the difference between our yeelight blue and hue.
1 hue. ZigBee
First explain the origin of the name ZigBee. After discovering the flowers, the bees will inform the companion of the newly discovered food source location and other information through a special body language. This body language is the ZigZag dance, which is a simple way to convey information between bees. In this sense, ZigBee is named as a new generation of wireless communication technology.
ZLL (ZigBee Light Link) used by Philips hue is an extended set developed on the ZigBee protocol. This protocol is dominated by Philips and hopes to realize the intelligent connection of lights more easily. The first product, Hue, can be said to have been opened up from the history of lighting. A new era.
ZigBee is a low-speed, low-power wireless control protocol. It features automatic network formation. Each node of the network can borrow data to transmit data. The network needs a centralized node to manage the entire network, which means that there must be a ZigBee network. A router-like role, the conversion of the ZigBee protocol to the Internet protocol, this extra guy is the Bridge thing in the Hue Starter package, it has no additional use, but can integrate other lights into a network, and Connect to the internet.
The downside is that it increases the cost, increases the complexity of the installation, and can't be directly connected by our mobile phone. It has to be transferred. The advantage is that the Bridge can connect the ZigBee light to the Internet, thus providing more remote access capabilities. (Also means risk), hue is a product based on this technology, each subnet supports about 50 nodes.
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