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บทนำคำศัพท์ทั่วไป

The Bluetooth we often talk about in our daily life actually refers to BLE (Bluetooth low energy technology). As the name suggests, the current Bluetooth technology consumes very low power. Unlike the rumours saying that Bluetooth needs to be turned off to save power when not used, Bluetooth or the power consumption of turning on Bluetooth on the mobile phone for a long time is negligible. In IoT devices, สัญญาณไฟ transmit at a fixed interval, and the power consumption is low. Compared with transmitting, in IoT application, Bluetooth receiving consumes more power.