Well, Earlier I successfully communicated with my ESP-01, established TCP/IP connections and transferred sensor data to thingspeak. Untill, ysterday, My ESP-01 responds nothing but NULL to every AT command. Have you face this problem? Am really don't know what has gone wrong? Please refer the attached screenshot.
Well, Earlier I successfully communicated with my ESP-01, established TCP/IP connections and transferred sensor data to thingspeak. Untill, ysterday, My ESP-01 responds nothing but NULL to every AT command. Have you face this problem? Am really don't know what has gone wrong? Please refer the attached screenshot.