HC-05 TX-> Arduino Pin 10 (SoftwareSerial RX) HC-05 RX-> Arduino Pin 11 (SoftwareSerial TX) HC-05 VCC-> Arduino 5V; HC-05 GND-> Arduino GND; Important Note. When using the hardware serial port (pins 0 ...

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Since the Arduino Uno does not provide 3.6V, it is connected to 5V (do not connect to 3.3V as it is too low). The GND of the HC-05 is connected to the GND of the Arduino Uno. For software serial ...

1×Arduino Nano; 1×HC-05 Bluetooth Module; 1×Solenoid Lock; 1×Piezoelectric Buzzer; 1×Red LED 5mm; ... Mind that you need to power the device with a 5V power supply and connect the TX pin to RX pin of ...

– HC-05 Arduino bluetooth module. – MG90S Servo – 8 Nos. – Servo motor mount – 3D printed 8Nos, body made with wooden sheet . ... Pin. Email. Filed Under: DIY Projects, Top News.