Lstt wrote: Question to all. Please, report, what type of Arduino type you use. Is Arduino Pro Mini campatible for this project?
I think ESP8266 works with all Audrinos. Just be careful on power supply voltage (ESP is not 3.3V tolerant) and use of HW and SW serial port. I'm using Arduino pro mini 3.3V (no need for voltage level shifter) and for bigger project Arduino Mega 2560.