Can anyone help me out

[viv_ek2000]

Arduino: 1.8.15 (Windows Store 1.8.49.0) (Windows 10), Board: "NodeMCU 1.0 (ESP-12E Module), 80 MHz, Flash, Disabled (new can abort), All SSL ciphers (most compatible), 4MB (FS:2MB OTA:~1019KB), 2, v2 Lower Memory, Disabled, None, Only Sketch, 115200"

C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\hardware -hardware C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\tools-builder -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\hardware\tools\avr -tools C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages -built-in-libraries C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\libraries -libraries C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\Arduino\libraries -fqbn=esp8266:esp8266:nodemcuv2:xtal=80,vt=flash,exception=disabled,ssl=all,eesz=4M2M,led=2,ip=lm2f,dbg=Disabled,lvl=None____,wipe=none,baud=115200 -vid-pid=1A86_7523 -ide-version=10815 -build-path C:\Users\vivek\AppData\Local\Temp\arduino_build_843038 -warnings=none -build-cache C:\Users\vivek\AppData\Local\Temp\arduino_cache_864137 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.mkspiffs.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\mkspiffs\2.5.0-4-b40a506 -prefs=runtime.tools.mkspiffs-2.5.0-4-b40a506.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\mkspiffs\2.5.0-4-b40a506 -prefs=runtime.tools.mklittlefs.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\mklittlefs\2.5.0-4-fe5bb56 -prefs=runtime.tools.mklittlefs-2.5.0-4-fe5bb56.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\mklittlefs\2.5.0-4-fe5bb56 -prefs=runtime.tools.xtensa-lx106-elf-gcc.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-4-b40a506 -prefs=runtime.tools.xtensa-lx106-elf-gcc-2.5.0-4-b40a506.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-4-b40a506 -prefs=runtime.tools.python3.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\python3\3.7.2-post1 -prefs=runtime.tools.python3-3.7.2-post1.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\python3\3.7.2-post1 -verbose C:\Users\vivek\AppData\Local\Temp\arduino_modified_sketch_47678\Blink.ino

C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\arduino-builder -compile -logger=machine -hardware C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\hardware -hardware C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\tools-builder -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\hardware\tools\avr -tools C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages -built-in-libraries C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\libraries -libraries C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\Arduino\libraries -fqbn=esp8266:esp8266:nodemcuv2:xtal=80,vt=flash,exception=disabled,ssl=all,eesz=4M2M,led=2,ip=lm2f,dbg=Disabled,lvl=None____,wipe=none,baud=115200 -vid-pid=1A86_7523 -ide-version=10815 -build-path C:\Users\vivek\AppData\Local\Temp\arduino_build_843038 -warnings=none -build-cache C:\Users\vivek\AppData\Local\Temp\arduino_cache_864137 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.mkspiffs.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\mkspiffs\2.5.0-4-b40a506 -prefs=runtime.tools.mkspiffs-2.5.0-4-b40a506.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\mkspiffs\2.5.0-4-b40a506 -prefs=runtime.tools.mklittlefs.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\mklittlefs\2.5.0-4-fe5bb56 -prefs=runtime.tools.mklittlefs-2.5.0-4-fe5bb56.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\mklittlefs\2.5.0-4-fe5bb56 -prefs=runtime.tools.xtensa-lx106-elf-gcc.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-4-b40a506 -prefs=runtime.tools.xtensa-lx106-elf-gcc-2.5.0-4-b40a506.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-4-b40a506 -prefs=runtime.tools.python3.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\python3\3.7.2-post1 -prefs=runtime.tools.python3-3.7.2-post1.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\python3\3.7.2-post1 -verbose C:\Users\vivek\AppData\Local\Temp\arduino_modified_sketch_47678\Blink.ino

Using board 'nodemcuv2' from platform in folder: C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.7.4

Using core 'esp8266' from platform in folder: C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.7.4

Detecting libraries used...

"C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-4-b40a506/bin/xtensa-lx106-elf-g++" -D__ets__ -DICACHE_FLASH -U__STRICT_ANSI__ "-IC:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.7.4/tools/sdk/include" "-IC:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.7.4/tools/sdk/lwip2/include" "-IC:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.7.4/tools/sdk/libc/xtensa-lx106-elf/include" "-IC:\Users\vivek\AppData\Local\Temp\arduino_build_843038/core" -c -w -Os -g -mlongcalls -mtext-section-literals -fno-rtti -falign-functions=4 -std=gnu++11 -ffunction-sections -fdata-sections -fno-exceptions -DNEW_OOM_ABORT -w -x c++ -E -CC -DNONOSDK22x_190703=1 -DF_CPU=80000000L -DLWIP_OPEN_SRC -DTCP_MSS=536 -DLWIP_FEATURES=1 -DLWIP_IPV6=0 -DARDUINO=10815 -DARDUINO_ESP8266_NODEMCU -DARDUINO_ARCH_ESP8266 "-DARDUINO_BOARD="ESP8266_NODEMCU"" -DLED_BUILTIN=2 -DFLASHMODE_DIO -DESP8266 "-IC:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.7.4\cores\esp8266" "-IC:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.7.4\variants\nodemcu" "C:\Users\vivek\AppData\Local\Temp\arduino_build_843038\sketch\Blink.ino.cpp" -o nul

Alternatives for bits/c++config.h: []

ResolveLibrary(bits/c++config.h)

-> candidates: [ ]

In file included from c:\users\vivek\onedrive - krishna institute of engineering & technology\documents\arduinodata\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-4-b40a506\xtensa-lx106-elf\include\c++\4.8.2\algorithm:60:0,

             from C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.7.4\cores\esp8266/Arduino.h:238,

             from C:\Users\vivek\AppData\Local\Temp\arduino_build_843038\sketch\Blink.ino.cpp:1:

c:\users\vivek\onedrive - krishna institute of engineering & technology\documents\arduinodata\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-4-b40a506\xtensa-lx106-elf\include\c++\4.8.2\utility:68:28: fatal error: bits/c++config.h: No such file or directory

#include <bits/c++config.h>

                        ^

compilation terminated.

exit status 1

Error compiling for board NodeMCU 1.0 (ESP-12E Module).

[anon73444976]

@viv_ek2000

bits/c++config.h: No such file or directory

Seems clear to me.
Where's your code?

[viv_ek2000]

#define BLYNK_TEMPLATE_ID "TMPLCQHKFBrD"
#define BLYNK_DEVICE_NAME "smart switch"

#define BLYNK_FIRMWARE_VERSION "0.1.0"

#define BLYNK_PRINT Serial
//#define BLYNK_DEBUG

//#define APP_DEBUG

// Uncomment your board, or configure a custom board in Settings.h
//#define USE_SPARKFUN_BLYNK_BOARD
#define USE_NODE_MCU_BOARD
//#define USE_WITTY_CLOUD_BOARD

#include "BlynkEdgent.h"
#include <AceButton.h>
using namespace ace_button;

// define the GPIO connected with Relays and switches
#define RelayPin1 5 //D1
#define RelayPin2 4 //D2
#define RelayPin3 14 //D5
#define RelayPin4 12 //D6

#define SwitchPin1 10 //SD3
#define SwitchPin2 D3 //D3
#define SwitchPin3 13 //D7
#define SwitchPin4 3 //RX

#define wifiLed 16 //D0

//Change the virtual pins according the rooms
#define VPIN_BUTTON_1 V1
#define VPIN_BUTTON_2 V2
#define VPIN_BUTTON_3 V3
#define VPIN_BUTTON_4 V4

int toggleState_1 = 0; //Define integer to remember the toggle state for relay 1
int toggleState_2 = 0; //Define integer to remember the toggle state for relay 2
int toggleState_3 = 0; //Define integer to remember the toggle state for relay 3
int toggleState_4 = 0; //Define integer to remember the toggle state for relay 4

ButtonConfig config1;
AceButton button1(&config1);
ButtonConfig config2;
AceButton button2(&config2);
ButtonConfig config3;
AceButton button3(&config3);
ButtonConfig config4;
AceButton button4(&config4);

void handleEvent1(AceButton*, uint8_t, uint8_t);
void handleEvent2(AceButton*, uint8_t, uint8_t);
void handleEvent3(AceButton*, uint8_t, uint8_t);
void handleEvent4(AceButton*, uint8_t, uint8_t);

void relayOnOff(int relay){
switch(relay){
case 1:
if(toggleState_1 == 0){
digitalWrite(RelayPin1, LOW); // turn on relay 1
toggleState_1 = 1;
Serial.println("Device1 ON");
}
else{
digitalWrite(RelayPin1, HIGH); // turn off relay 1
toggleState_1 = 0;
Serial.println("Device1 OFF");
}
delay(100);
break;
case 2:
if(toggleState_2 == 0){
digitalWrite(RelayPin2, LOW); // turn on relay 2
toggleState_2 = 1;
Serial.println("Device2 ON");
}
else{
digitalWrite(RelayPin2, HIGH); // turn off relay 2
toggleState_2 = 0;
Serial.println("Device2 OFF");
}
delay(100);
break;
case 3:
if(toggleState_3 == 0){
digitalWrite(RelayPin3, LOW); // turn on relay 3
toggleState_3 = 1;
Serial.println("Device3 ON");
}
else{
digitalWrite(RelayPin3, HIGH); // turn off relay 3
toggleState_3 = 0;
Serial.println("Device3 OFF");
}
delay(100);
break;
case 4:
if(toggleState_4 == 0){
digitalWrite(RelayPin4, LOW); // turn on relay 4
toggleState_4 = 1;
Serial.println("Device4 ON");
}
else{
digitalWrite(RelayPin4, HIGH); // turn off relay 4
toggleState_4 = 0;
Serial.println("Device4 OFF");
}
delay(100);
break;
default : break;
}
}

BLYNK_CONNECTED() {
// Request the latest state from the server
Blynk.syncVirtual(VPIN_BUTTON_1);
Blynk.syncVirtual(VPIN_BUTTON_2);
Blynk.syncVirtual(VPIN_BUTTON_3);
Blynk.syncVirtual(VPIN_BUTTON_4);
}

// When App button is pushed - switch the state

BLYNK_WRITE(VPIN_BUTTON_1) {
toggleState_1 = param.asInt();
if(toggleState_1 == 1){
digitalWrite(RelayPin1, LOW);
}
else {
digitalWrite(RelayPin1, HIGH);
}
}

BLYNK_WRITE(VPIN_BUTTON_2) {
toggleState_2 = param.asInt();
if(toggleState_2 == 1){
digitalWrite(RelayPin2, LOW);
}
else {
digitalWrite(RelayPin2, HIGH);
}
}

BLYNK_WRITE(VPIN_BUTTON_3) {
toggleState_3 = param.asInt();
if(toggleState_3 == 1){
digitalWrite(RelayPin3, LOW);
}
else {
digitalWrite(RelayPin3, HIGH);
}
}

BLYNK_WRITE(VPIN_BUTTON_4) {
toggleState_4 = param.asInt();
if(toggleState_4 == 1){
digitalWrite(RelayPin4, LOW);
}
else {
digitalWrite(RelayPin4, HIGH);
}
}

void setup()
{
Serial.begin(115200);
delay(100);

pinMode(RelayPin1, OUTPUT);
pinMode(RelayPin2, OUTPUT);
pinMode(RelayPin3, OUTPUT);
pinMode(RelayPin4, OUTPUT);

pinMode(wifiLed, OUTPUT);

pinMode(SwitchPin1, INPUT_PULLUP);
pinMode(SwitchPin2, INPUT_PULLUP);
pinMode(SwitchPin3, INPUT_PULLUP);
pinMode(SwitchPin4, INPUT_PULLUP);

//During Starting all Relays should TURN OFF
digitalWrite(RelayPin1, HIGH);
digitalWrite(RelayPin2, HIGH);
digitalWrite(RelayPin3, HIGH);
digitalWrite(RelayPin4, HIGH);

digitalWrite(wifiLed, HIGH);

config1.setEventHandler(button1Handler);
config2.setEventHandler(button2Handler);
config3.setEventHandler(button3Handler);
config4.setEventHandler(button4Handler);

button1.init(SwitchPin1);
button2.init(SwitchPin2);
button3.init(SwitchPin3);
button4.init(SwitchPin4);

BlynkEdgent.begin();

Blynk.virtualWrite(VPIN_BUTTON_1, toggleState_1);
Blynk.virtualWrite(VPIN_BUTTON_2, toggleState_2);
Blynk.virtualWrite(VPIN_BUTTON_3, toggleState_3);
Blynk.virtualWrite(VPIN_BUTTON_4, toggleState_4);

//timer.setInterval(3000L, checkBlynkStatus); // check if Blynk server is connected every 3 seconds
}

void loop() {

BlynkEdgent.run();

//Manual Switch Control
button1.check();
button2.check();
button3.check();
button4.check();

}

void button1Handler(AceButton* button, uint8_t eventType, uint8_t buttonState) {
Serial.println("EVENT1");
relayOnOff(1);
Blynk.virtualWrite(VPIN_BUTTON_1, toggleState_1); // Update Button Widget
}
void button2Handler(AceButton* button, uint8_t eventType, uint8_t buttonState) {
Serial.println("EVENT2");
relayOnOff(2);
Blynk.virtualWrite(VPIN_BUTTON_2, toggleState_2); // Update Button Widget
}
void button3Handler(AceButton* button, uint8_t eventType, uint8_t buttonState) {
Serial.println("EVENT3");
relayOnOff(3);
Blynk.virtualWrite(VPIN_BUTTON_3, toggleState_3); // Update Button Widget
}
void button4Handler(AceButton* button, uint8_t eventType, uint8_t buttonState) {
Serial.println("EVENT4");
relayOnOff(4);
Blynk.virtualWrite(VPIN_BUTTON_4, toggleState_4); // Update Button Widget
}

[viv_ek2000]

Arduino: 1.8.15 (Windows Store 1.8.49.0) (Windows 10), Board: "Generic ESP8285 Module, 80 MHz, Flash, Legacy (new can return nullptr), All SSL ciphers (most compatible), dtr (aka nodemcu), 26 MHz, 1MB (FS:64KB OTA:~470KB), 2, v2 Lower Memory, Disabled, None, Only Sketch, 115200"

C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\hardware -hardware C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\tools-builder -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\hardware\tools\avr -tools C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages -built-in-libraries C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\libraries -libraries C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\Arduino\libraries -fqbn=esp8266:esp8266:esp8285:xtal=80,vt=flash,exception=legacy,ssl=all,ResetMethod=nodemcu,CrystalFreq=26,eesz=1M64,led=2,ip=lm2f,dbg=Disabled,lvl=None____,wipe=none,baud=115200 -vid-pid=10C4_EA60 -ide-version=10815 -build-path C:\Users\vivek\AppData\Local\Temp\arduino_build_982994 -warnings=none -build-cache C:\Users\vivek\AppData\Local\Temp\arduino_cache_340852 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.xtensa-lx106-elf-gcc.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-4-b40a506 -prefs=runtime.tools.xtensa-lx106-elf-gcc-2.5.0-4-b40a506.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-4-b40a506 -prefs=runtime.tools.python3.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\python3\3.7.2-post1 -prefs=runtime.tools.python3-3.7.2-post1.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\python3\3.7.2-post1 -prefs=runtime.tools.mkspiffs.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\mkspiffs\2.5.0-4-b40a506 -prefs=runtime.tools.mkspiffs-2.5.0-4-b40a506.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\mkspiffs\2.5.0-4-b40a506 -prefs=runtime.tools.mklittlefs.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\mklittlefs\2.5.0-4-fe5bb56 -prefs=runtime.tools.mklittlefs-2.5.0-4-fe5bb56.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\mklittlefs\2.5.0-4-fe5bb56 -verbose C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Desktop\Code_NodeMCU_Blynk2_4Relay_Switch\Code_NodeMCU_Blynk2_4Relay_Switch.ino

C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\arduino-builder -compile -logger=machine -hardware C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\hardware -hardware C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\tools-builder -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\hardware\tools\avr -tools C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages -built-in-libraries C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.49.0_x86__mdqgnx93n4wtt\libraries -libraries C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\Arduino\libraries -fqbn=esp8266:esp8266:esp8285:xtal=80,vt=flash,exception=legacy,ssl=all,ResetMethod=nodemcu,CrystalFreq=26,eesz=1M64,led=2,ip=lm2f,dbg=Disabled,lvl=None____,wipe=none,baud=115200 -vid-pid=10C4_EA60 -ide-version=10815 -build-path C:\Users\vivek\AppData\Local\Temp\arduino_build_982994 -warnings=none -build-cache C:\Users\vivek\AppData\Local\Temp\arduino_cache_340852 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.xtensa-lx106-elf-gcc.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-4-b40a506 -prefs=runtime.tools.xtensa-lx106-elf-gcc-2.5.0-4-b40a506.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-4-b40a506 -prefs=runtime.tools.python3.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\python3\3.7.2-post1 -prefs=runtime.tools.python3-3.7.2-post1.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\python3\3.7.2-post1 -prefs=runtime.tools.mkspiffs.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\mkspiffs\2.5.0-4-b40a506 -prefs=runtime.tools.mkspiffs-2.5.0-4-b40a506.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\mkspiffs\2.5.0-4-b40a506 -prefs=runtime.tools.mklittlefs.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\mklittlefs\2.5.0-4-fe5bb56 -prefs=runtime.tools.mklittlefs-2.5.0-4-fe5bb56.path=C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\mklittlefs\2.5.0-4-fe5bb56 -verbose C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Desktop\Code_NodeMCU_Blynk2_4Relay_Switch\Code_NodeMCU_Blynk2_4Relay_Switch.ino

Using board 'esp8285' from platform in folder: C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.7.4

Using core 'esp8266' from platform in folder: C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.7.4

Detecting libraries used...

"C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-4-b40a506/bin/xtensa-lx106-elf-g++" -D__ets__ -DICACHE_FLASH -U__STRICT_ANSI__ "-IC:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.7.4/tools/sdk/include" "-IC:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.7.4/tools/sdk/lwip2/include" "-IC:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.7.4/tools/sdk/libc/xtensa-lx106-elf/include" "-IC:\Users\vivek\AppData\Local\Temp\arduino_build_982994/core" -c -w -Os -g -mlongcalls -mtext-section-literals -fno-rtti -falign-functions=4 -std=gnu++11 -ffunction-sections -fdata-sections -fno-exceptions -w -x c++ -E -CC -DNONOSDK22x_190703=1 -DF_CPU=80000000L -DLWIP_OPEN_SRC -DTCP_MSS=536 -DLWIP_FEATURES=1 -DLWIP_IPV6=0 -DARDUINO=10815 -DARDUINO_ESP8266_ESP01 -DARDUINO_ARCH_ESP8266 "-DARDUINO_BOARD="ESP8266_ESP01"" -DLED_BUILTIN=2 -DFLASHMODE_DOUT -DESP8266 "-IC:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.7.4\cores\esp8266" "-IC:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.7.4\variants\esp8285" "C:\Users\vivek\AppData\Local\Temp\arduino_build_982994\sketch\Code_NodeMCU_Blynk2_4Relay_Switch.ino.cpp" -o nul

Alternatives for bits/c++config.h: []

ResolveLibrary(bits/c++config.h)

-> candidates: []

In file included from c:\users\vivek\onedrive - krishna institute of engineering & technology\documents\arduinodata\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-4-b40a506\xtensa-lx106-elf\include\c++\4.8.2\algorithm:60:0,

             from C:\Users\vivek\OneDrive - Krishna Institute of Engineering & Technology\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.7.4\cores\esp8266/Arduino.h:238,

             from C:\Users\vivek\AppData\Local\Temp\arduino_build_982994\sketch\Code_NodeMCU_Blynk2_4Relay_Switch.ino.cpp:1:

c:\users\vivek\onedrive - krishna institute of engineering & technology\documents\arduinodata\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-4-b40a506\xtensa-lx106-elf\include\c++\4.8.2\utility:68:28: fatal error: bits/c++config.h: No such file or directory

#include <bits/c++config.h>

                        ^

compilation terminated.

exit status 1

Error compiling for board Generic ESP8285 Module.

[viv_ek2000]

//code
#define BLYNK_TEMPLATE_ID "TMPLCQHKFBrD"
#define BLYNK_DEVICE_NAME "smart switch"

#define BLYNK_FIRMWARE_VERSION "0.1.0"

#define BLYNK_PRINT Serial
//#define BLYNK_DEBUG

//#define APP_DEBUG

// Uncomment your board, or configure a custom board in Settings.h
//#define USE_SPARKFUN_BLYNK_BOARD
#define USE_NODE_MCU_BOARD
//#define USE_WITTY_CLOUD_BOARD

#include "BlynkEdgent.h"
#include <AceButton.h>
using namespace ace_button;

// define the GPIO connected with Relays and switches
#define RelayPin1 5 //D1
#define RelayPin2 4 //D2
#define RelayPin3 14 //D5
#define RelayPin4 12 //D6

#define SwitchPin1 10 //SD3
#define SwitchPin2 D3 //D3
#define SwitchPin3 13 //D7
#define SwitchPin4 3 //RX

#define wifiLed 16 //D0

//Change the virtual pins according the rooms
#define VPIN_BUTTON_1 V1
#define VPIN_BUTTON_2 V2
#define VPIN_BUTTON_3 V3
#define VPIN_BUTTON_4 V4

int toggleState_1 = 0; //Define integer to remember the toggle state for relay 1
int toggleState_2 = 0; //Define integer to remember the toggle state for relay 2
int toggleState_3 = 0; //Define integer to remember the toggle state for relay 3
int toggleState_4 = 0; //Define integer to remember the toggle state for relay 4

ButtonConfig config1;
AceButton button1(&config1);
ButtonConfig config2;
AceButton button2(&config2);
ButtonConfig config3;
AceButton button3(&config3);
ButtonConfig config4;
AceButton button4(&config4);

void handleEvent1(AceButton*, uint8_t, uint8_t);
void handleEvent2(AceButton*, uint8_t, uint8_t);
void handleEvent3(AceButton*, uint8_t, uint8_t);
void handleEvent4(AceButton*, uint8_t, uint8_t);

void relayOnOff(int relay){
switch(relay){
case 1:
if(toggleState_1 == 0){
digitalWrite(RelayPin1, LOW); // turn on relay 1
toggleState_1 = 1;
Serial.println("Device1 ON");
}
else{
digitalWrite(RelayPin1, HIGH); // turn off relay 1
toggleState_1 = 0;
Serial.println("Device1 OFF");
}
delay(100);
break;
case 2:
if(toggleState_2 == 0){
digitalWrite(RelayPin2, LOW); // turn on relay 2
toggleState_2 = 1;
Serial.println("Device2 ON");
}
else{
digitalWrite(RelayPin2, HIGH); // turn off relay 2
toggleState_2 = 0;
Serial.println("Device2 OFF");
}
delay(100);
break;
case 3:
if(toggleState_3 == 0){
digitalWrite(RelayPin3, LOW); // turn on relay 3
toggleState_3 = 1;
Serial.println("Device3 ON");
}
else{
digitalWrite(RelayPin3, HIGH); // turn off relay 3
toggleState_3 = 0;
Serial.println("Device3 OFF");
}
delay(100);
break;
case 4:
if(toggleState_4 == 0){
digitalWrite(RelayPin4, LOW); // turn on relay 4
toggleState_4 = 1;
Serial.println("Device4 ON");
}
else{
digitalWrite(RelayPin4, HIGH); // turn off relay 4
toggleState_4 = 0;
Serial.println("Device4 OFF");
}
delay(100);
break;
default : break;
}
}

BLYNK_CONNECTED() {
// Request the latest state from the server
Blynk.syncVirtual(VPIN_BUTTON_1);
Blynk.syncVirtual(VPIN_BUTTON_2);
Blynk.syncVirtual(VPIN_BUTTON_3);
Blynk.syncVirtual(VPIN_BUTTON_4);
}

// When App button is pushed - switch the state

BLYNK_WRITE(VPIN_BUTTON_1) {
toggleState_1 = param.asInt();
if(toggleState_1 == 1){
digitalWrite(RelayPin1, LOW);
}
else {
digitalWrite(RelayPin1, HIGH);
}
}

BLYNK_WRITE(VPIN_BUTTON_2) {
toggleState_2 = param.asInt();
if(toggleState_2 == 1){
digitalWrite(RelayPin2, LOW);
}
else {
digitalWrite(RelayPin2, HIGH);
}
}

BLYNK_WRITE(VPIN_BUTTON_3) {
toggleState_3 = param.asInt();
if(toggleState_3 == 1){
digitalWrite(RelayPin3, LOW);
}
else {
digitalWrite(RelayPin3, HIGH);
}
}

BLYNK_WRITE(VPIN_BUTTON_4) {
toggleState_4 = param.asInt();
if(toggleState_4 == 1){
digitalWrite(RelayPin4, LOW);
}
else {
digitalWrite(RelayPin4, HIGH);
}
}

void setup()
{
Serial.begin(115200);
delay(100);

pinMode(RelayPin1, OUTPUT);
pinMode(RelayPin2, OUTPUT);
pinMode(RelayPin3, OUTPUT);
pinMode(RelayPin4, OUTPUT);

pinMode(wifiLed, OUTPUT);

pinMode(SwitchPin1, INPUT_PULLUP);
pinMode(SwitchPin2, INPUT_PULLUP);
pinMode(SwitchPin3, INPUT_PULLUP);
pinMode(SwitchPin4, INPUT_PULLUP);

//During Starting all Relays should TURN OFF
digitalWrite(RelayPin1, HIGH);
digitalWrite(RelayPin2, HIGH);
digitalWrite(RelayPin3, HIGH);
digitalWrite(RelayPin4, HIGH);

digitalWrite(wifiLed, HIGH);

config1.setEventHandler(button1Handler);
config2.setEventHandler(button2Handler);
config3.setEventHandler(button3Handler);
config4.setEventHandler(button4Handler);

button1.init(SwitchPin1);
button2.init(SwitchPin2);
button3.init(SwitchPin3);
button4.init(SwitchPin4);

BlynkEdgent.begin();

Blynk.virtualWrite(VPIN_BUTTON_1, toggleState_1);
Blynk.virtualWrite(VPIN_BUTTON_2, toggleState_2);
Blynk.virtualWrite(VPIN_BUTTON_3, toggleState_3);
Blynk.virtualWrite(VPIN_BUTTON_4, toggleState_4);

//timer.setInterval(3000L, checkBlynkStatus); // check if Blynk server is connected every 3 seconds
}

void loop() {

BlynkEdgent.run();

//Manual Switch Control
button1.check();
button2.check();
button3.check();
button4.check();

}

void button1Handler(AceButton* button, uint8_t eventType, uint8_t buttonState) {
Serial.println("EVENT1");
relayOnOff(1);
Blynk.virtualWrite(VPIN_BUTTON_1, toggleState_1); // Update Button Widget
}
void button2Handler(AceButton* button, uint8_t eventType, uint8_t buttonState) {
Serial.println("EVENT2");
relayOnOff(2);
Blynk.virtualWrite(VPIN_BUTTON_2, toggleState_2); // Update Button Widget
}
void button3Handler(AceButton* button, uint8_t eventType, uint8_t buttonState) {
Serial.println("EVENT3");
relayOnOff(3);
Blynk.virtualWrite(VPIN_BUTTON_3, toggleState_3); // Update Button Widget
}
void button4Handler(AceButton* button, uint8_t eventType, uint8_t buttonState) {
Serial.println("EVENT4");
relayOnOff(4);
Blynk.virtualWrite(VPIN_BUTTON_4, toggleState_4); // Update Button Widget
}

[johnerrington]

Chucking huge blocks of code at us will not help. You need to tell us what the problem is.

READ THIS:

How to get the best out of this forum

Welcome to the Arduino forum! A guide explaining how to get the best out of this forum is available at the link below. Please read it:

To start your code has lots of duplication. Strip it all out and make a simple version that does the basic things.

@viv_ek2000

fatal error: bits/c++config.h: No such file or directory

Could that be a hint?

[PerryBebbington]

@viv_ek2000

TOPIC MERGED.

Could you take a few moments to Learn How To Use The Forum.

Other general help and troubleshooting advice can be found here.
It will help you get the best out of the forum.

Thank you.