HM-10. BLE. Arduino UNO. Notify. Bluetooth. AT. iBeacon. Arrhythmia

Juan_Antonio · July 2, 2022, 7:22pm

15.- Pushbutton in Arduino sends (1) or (0) to App.

When you press the Pushbutton7, (1) or (0) is sent to the app.
As it receives (1) or (0) it will change the color of the btn_color to green or red.
Notification (RegisterForString) is used.

// Juan A. Villalpando
// http://kio4.com/arduino/161_HM10_BLE.htm

#include <SoftwareSerial.h>
// El TXD del módulo al pin 2 (RX) del Arduino.
// El RXD del módulo al pin 3 (TX) del Arduino.
SoftwareSerial BLE1(2, 3);

int valor = HIGH;
int valor_anterior = HIGH;

void setup(){
  Serial.begin(9600);
  BLE1.begin(9600);
  pinMode(7,INPUT);
}

void loop(){
  valor = digitalRead(7);
  if (valor == HIGH &&  valor_anterior != HIGH) { 
   Serial.println("Pulsado");
   valor_anterior = valor;
   BLE1.print("1");
   delay(10);
   } 
   if (valor == LOW && valor_anterior != LOW) { 
   Serial.println("NO");
   valor_anterior = valor;
   BLE1.print("0");
   delay(10);
   }   
}