An overview of the ESP32's features — dual-core processor, WiFi, and dual-mode Bluetooth — and how to program it easily via Arduino IDE.
A comparison of WiFi, Bluetooth, ZigBee, GSM, and RF by range, speed, and power consumption, to help you pick the right wireless method.
Use a ready-made phone voice-recognition app with an HC-06 Bluetooth module to turn LEDs on and off with simple voice commands.
An introduction to Bluetooth technology, the origin of its name, and how it works via 2.45GHz radio waves and the device pairing mechanism.
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