24Voice-Controlled LED
In this project we’ll use a bluetooth module, a smartphone, and a voice recognition app to control an LED with vocal commands.
PARTS REQUIRED
Arduino board
Breadboard
Jumper wires
HC-06 Bluetooth module
LED
220-ohm resistor
Android smartphone
HOW IT WORKS
Bluetooth wireless technology uses radio waves to transmit and exchange data over short distances. Smartphones, laptops, and multimedia devices such as speakers use Bluetooth as a common standard. We’ll use the inexpensive HC-06 Bluetooth module (Figure 24-1) to pair (connect) ...
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