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A Guide to Understanding Bluetooth Low Energy

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  Bluetooth Low Energy, also known as BLE or Bluetooth Smart, is gaining popularity as the next-generation wireless connectivity standard from the Bluetooth Special Interest Group (SIG). BLE devices are extremely small and consume little power, but their adoption has been somewhat slow due to several factors. Embeddedone guide, we'll look at what BLE is, how it works, and its limitations and advantages compared to other wireless standards such as ZigBee and WiFi. What Does Low Energy Mean? Low energy means the device doesn't need to be constantly powered, conserving battery life. This is perfect for devices that don't need to be used all the time or for devices that are meant to be used infrequently. Bluetooth low energy is perfect for connecting things like fitness trackers, heart rate monitors, and other small wearable devices.  For a device to be low energy, it has to enter a special power-saving mode when it's not in use. This mode cuts down on the power the device...