Arduino Bluetooth HC-05 Circuitry & Code
Schematic using 3.3v Regulator:
Schematic using resistors as voltage regulator:
The voltage regulator is used to prevent the 5v output
from the Arduino’s Transmit pin (TX)
overloading the 3.3v Receive pin (RX) of the Bluetooth module.
To change the Name, Password, Mode ect of you HC-05 device
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