can anyone help me to solve this problem?
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino: In function 'void listen_push_buttons()':
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:4:20: error: 'button1_pin' was not declared in this scope
if(digitalRead(button1_pin) == LOW){
^~~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:7:7: error: 'Blynk' was not declared in this scope
Blynk.virtualWrite(button1_vpin, relay1_state); //update button state
^~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:7:7: note: suggested alternative: 'link'
Blynk.virtualWrite(button1_vpin, relay1_state); //update button state
^~~~~
link
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:7:26: error: 'button1_vpin' was not declared in this scope
Blynk.virtualWrite(button1_vpin, relay1_state); //update button state
^~~~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:7:40: error: 'relay1_state' was not declared in this scope
Blynk.virtualWrite(button1_vpin, relay1_state); //update button state
^~~~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:7:40: note: suggested alternative: 'eTaskState'
Blynk.virtualWrite(button1_vpin, relay1_state); //update button state
^~~~~~~~~~~~
eTaskState
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:10:26: error: 'button2_pin' was not declared in this scope
else if (digitalRead(button2_pin) == LOW){
^~~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:13:7: error: 'Blynk' was not declared in this scope
Blynk.virtualWrite(button2_vpin, relay2_state); //update button state
^~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:13:7: note: suggested alternative: 'link'
Blynk.virtualWrite(button2_vpin, relay2_state); //update button state
^~~~~
link
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:13:26: error: 'button2_vpin' was not declared in this scope
Blynk.virtualWrite(button2_vpin, relay2_state); //update button state
^~~~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:13:40: error: 'relay2_state' was not declared in this scope
Blynk.virtualWrite(button2_vpin, relay2_state); //update button state
^~~~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:13:40: note: suggested alternative: 'eTaskState'
Blynk.virtualWrite(button2_vpin, relay2_state); //update button state
^~~~~~~~~~~~
eTaskState
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:16:26: error: 'button3_pin' was not declared in this scope
else if (digitalRead(button3_pin) == LOW){
^~~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:19:7: error: 'Blynk' was not declared in this scope
Blynk.virtualWrite(button3_vpin, relay3_state); //update button state
^~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:19:7: note: suggested alternative: 'link'
Blynk.virtualWrite(button3_vpin, relay3_state); //update button state
^~~~~
link
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:19:26: error: 'button3_vpin' was not declared in this scope
Blynk.virtualWrite(button3_vpin, relay3_state); //update button state
^~~~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:19:40: error: 'relay3_state' was not declared in this scope
Blynk.virtualWrite(button3_vpin, relay3_state); //update button state
^~~~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:19:40: note: suggested alternative: 'eTaskState'
Blynk.virtualWrite(button3_vpin, relay3_state); //update button state
^~~~~~~~~~~~
eTaskState
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:22:26: error: 'button4_pin' was not declared in this scope
else if (digitalRead(button4_pin) == LOW){
^~~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:25:7: error: 'Blynk' was not declared in this scope
Blynk.virtualWrite(button4_vpin, relay4_state); //update button state
^~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:25:7: note: suggested alternative: 'link'
Blynk.virtualWrite(button4_vpin, relay4_state); //update button state
^~~~~
link
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:25:26: error: 'button4_vpin' was not declared in this scope
Blynk.virtualWrite(button4_vpin, relay4_state); //update button state
^~~~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:25:40: error: 'relay4_state' was not declared in this scope
Blynk.virtualWrite(button4_vpin, relay4_state); //update button state
^~~~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:25:40: note: suggested alternative: 'eTaskState'
Blynk.virtualWrite(button4_vpin, relay4_state); //update button state
^~~~~~~~~~~~
eTaskState
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino: In function 'void control_relay(int)':
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:38:5: error: 'relay1_state' was not declared in this scope
relay1_state = !relay1_state;
^~~~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:38:5: note: suggested alternative: 'eTaskState'
relay1_state = !relay1_state;
^~~~~~~~~~~~
eTaskState
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:39:18: error: 'relay1_pin' was not declared in this scope
digitalWrite(relay1_pin, relay1_state);
^~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:39:18: note: suggested alternative: 'relay'
digitalWrite(relay1_pin, relay1_state);
^~~~~~~~~~
relay
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:46:5: error: 'relay2_state' was not declared in this scope
relay2_state = !relay2_state;
^~~~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:46:5: note: suggested alternative: 'eTaskState'
relay2_state = !relay2_state;
^~~~~~~~~~~~
eTaskState
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:47:18: error: 'relay2_pin' was not declared in this scope
digitalWrite(relay2_pin, relay2_state);
^~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:47:18: note: suggested alternative: 'relay'
digitalWrite(relay2_pin, relay2_state);
^~~~~~~~~~
relay
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:52:5: error: 'relay3_state' was not declared in this scope
relay3_state = !relay3_state;
^~~~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:52:5: note: suggested alternative: 'eTaskState'
relay3_state = !relay3_state;
^~~~~~~~~~~~
eTaskState
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:53:18: error: 'relay3_pin' was not declared in this scope
digitalWrite(relay3_pin, relay3_state);
^~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:53:18: note: suggested alternative: 'relay'
digitalWrite(relay3_pin, relay3_state);
^~~~~~~~~~
relay
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:58:5: error: 'relay4_state' was not declared in this scope
relay4_state = !relay4_state;
^~~~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:58:5: note: suggested alternative: 'eTaskState'
relay4_state = !relay4_state;
^~~~~~~~~~~~
eTaskState
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:59:18: error: 'relay4_pin' was not declared in this scope
digitalWrite(relay4_pin, relay4_state);
^~~~~~~~~~
C:\Users\User\AppData\Local\Temp\.arduinoIDE-unsaved2024422-12576-bg2tvt.15qem\sketch_may22d\sketch_may22d.ino:59:18: note: suggested alternative: 'relay'
digitalWrite(relay4_pin, relay4_state);
^~~~~~~~~~
relay
exit status 1
Compilation error: 'button1_pin' was not declared in this scope