HC-05 Bluetooth module
HC-05 Bluetooth specifications:
NodeMCU
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Pin Configuration of NodeMCU
HC-05 Bluetooth and NodeMCU pin connections
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int ANALOG_PIN = A0; void setup() { pinMode(ANALOG_PIN,INPUT); // SET A0 PIN AS INPUT MODE Serial.begin(9600); // 9600 BITS TRANFERING TO PC PER SECOND } void loop() { int ANALOG_VAL = analogRead(ANALOG_PIN); // READING THE VAULES FROM ANALOG PIN Serial.println(ANALOG_VAL); // SENDING POT-VAULES THROUGH UART PINS TX,RX delay(2000); }