ใส่passถูกแล้วแต่ขึ้นแบบนี้ครับ

Arduino: 1.8.3 (Windows 10), Board: "NodeMCU 1.0 (ESP-12E Module), 80 MHz, Flash, Legacy (new can return nullptr), All SSL ciphers (most compatible), 4MB (FS:2MB OTA:~1019KB), 2, v2 Lower Memory, Disabled, None, Only Sketch, 115200"

NodeMCU:9: error: invalid conversion from 'const char*' to 'char' [-fpermissive]

 char auth = "rdeRzhzuMLGTwKHDbBxh_sPfHu6fpif";

             ^

NodeMCU:13: error: invalid conversion from 'const char*' to 'char' [-fpermissive]

 char ssid = "iPhone";

             ^

NodeMCU:14: error: invalid conversion from 'const char*' to 'char' [-fpermissive]

 char pass = "tat12345678";

             ^

C:\Users\ASUS\Desktop\NodeMCU\NodeMCU.ino: In function 'void setup()':

NodeMCU:21: error: invalid conversion from 'char' to 'const char*' [-fpermissive]

    Blynk.begin(auth, ssid, pass);

                                ^

In file included from C:\Users\ASUS\Desktop\NodeMCU\NodeMCU.ino:5:0:

C:\Users\ASUS\Documents\Arduino\libraries\Blynk\src/BlynkSimpleEsp8266.h:74:10: error:   initializing argument 1 of 'void BlynkWifi::begin(const char*, const char*, const char*, const char*, uint16_t)' [-fpermissive]

     void begin(const char* auth,

          ^

NodeMCU:21: error: invalid conversion from 'char' to 'const char*' [-fpermissive]

    Blynk.begin(auth, ssid, pass);

                                ^

In file included from C:\Users\ASUS\Desktop\NodeMCU\NodeMCU.ino:5:0:

C:\Users\ASUS\Documents\Arduino\libraries\Blynk\src/BlynkSimpleEsp8266.h:74:10: error:   initializing argument 2 of 'void BlynkWifi::begin(const char*, const char*, const char*, const char*, uint16_t)' [-fpermissive]

     void begin(const char* auth,

          ^

NodeMCU:21: error: invalid conversion from 'char' to 'const char*' [-fpermissive]

    Blynk.begin(auth, ssid, pass);

                                ^

In file included from C:\Users\ASUS\Desktop\NodeMCU\NodeMCU.ino:5:0:

C:\Users\ASUS\Documents\Arduino\libraries\Blynk\src/BlynkSimpleEsp8266.h:74:10: error:   initializing argument 3 of 'void BlynkWifi::begin(const char*, const char*, const char*, const char*, uint16_t)' [-fpermissive]

     void begin(const char* auth,

          ^

exit status 1

invalid conversion from 'const char*' to 'char' [-fpermissive]

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