i have problem with connecting esp 01 with arduino uno... i already flash the esp01 and also has use command AT

I have a problem with connecting esp 01 with Arduino Uno…I already flash the esp01 and also has use command AT

Will need more info. But if you uploaded a Blynk sketch to the 8266 it won’t work with the Uno you can also search the forum for “Uno esp8266 AT” it will need at firmware to talk to the Uno