Bluetooth is a form of wireless technology. It works best across short ranges, often less than 30 feet. Think of Bluetooth as being the connecting cord between the devices.
It’s commonly used to connect laptops with printers, or wearables with smartphones. In the IoT, Bluetooth devices can exchange data for performing functions together.
These connections create a personal area network. Devices can only join if other devices in the network authorize them.
As Bluetooth, WiFi is also a wireless standard. Manufacturers use IEEE 802.11 standards. The WiFi Alliance needs to certify their devices.
Devices can connect from up to ten times as far away. You connect to the internet via a WiFi ‘hotspot’ or through a device like a router.
Many people use WiFi for internet connections through hotspots in airports or offices.
The Internet of Things uses WiFi to connect devices to the internet. That lets you control your thermostat or smart plugs from your phone when you’re not at home.
Difference between wifi and Bluetooth :
They’re both forms of wireless communication. But the crucial difference lies in what they connect to. Bluetooth works with connections between devices. WiFi works between the device and the internet. Because it’s designed for short ranges, Bluetooth works better with low-bandwidth functions.
Bluetooth uses far less power than WiFi. It’s also easier to use through the simple connections between devices. With the arrival of Bluetooth Low Energy (BLE), you’ll be able to create data networks between your smart devices. WiFi is easy to use if you’re only connecting a device to a hotspot. But it’s much harder to use when you set up a network and need to configure hardware.
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