ESP8266 Multiple Timer

ESP8266 Maximum upto 7 OS_Timer

Source code :

#include <Arduino.h>

extern "C" {
#include "user_interface.h"
}

os_timer_t Timer1;
os_timer_t Timer2;
os_timer_t Timer3;
os_timer_t Timer4;
os_timer_t Timer5;
os_timer_t Timer6;
os_timer_t Timer7;

void Timer_1_Callback(void *pArg)
{
  Serial.println("Timer 1 Event");
}
void Timer_2_Callback(void *pArg)
{
  Serial.println("Timer 2 Event");
}
void Timer_3_Callback(void *pArg)
{
  Serial.println("Timer 3 Event");
}
void Timer_4_Callback(void *pArg)
{
  Serial.println("Timer 4 Event");
}
void Timer_5_Callback(void *pArg)
{
  Serial.println("Timer 5 Event");
}
void Timer_6_Callback(void *pArg)
{
  Serial.println("Timer 6 Event");
}
void Timer_7_Callback(void *pArg)
{
  Serial.println("Timer 7 Event");
}

void setup() {
  Serial.begin(115200);
  delay(3000);
  // put your setup code here, to run once:
  //=================== Create OS timer1
  os_timer_setfn(&Timer1, Timer_1_Callback, NULL);
  os_timer_arm(&Timer1, 1000, true);

  //=================== Create OS timer2
  os_timer_setfn(&Timer2, Timer_2_Callback, NULL);
  os_timer_arm(&Timer2, 1000, true);

    //=================== Create OS timer3
  os_timer_setfn(&Timer3, Timer_3_Callback, NULL);
  os_timer_arm(&Timer3, 1000, true);

    //=================== Create OS timer4
  os_timer_setfn(&Timer4, Timer_4_Callback, NULL);
  os_timer_arm(&Timer4, 1000, true);

    //=================== Create OS timer5
  os_timer_setfn(&Timer5, Timer_5_Callback, NULL);
  os_timer_arm(&Timer5, 1000, true);

    //=================== Create OS timer6
  os_timer_setfn(&Timer6, Timer_6_Callback, NULL);
  os_timer_arm(&Timer6, 1000, true);

    //=================== Create OS timer7
  os_timer_setfn(&Timer7, Timer_7_Callback, NULL);
  os_timer_arm(&Timer7, 1000, true);

}

void loop() {
  // put your main code here, to run repeatedly:

}

video Link : https://youtu.be/-k0KrUYsIqw