Ready to use ESP-01 WIFI Board.
On board 3.3v regulator & power indicator LED.
Rx level converted to 3.3v , can be used directly with Arduino
All GPIO pins extended using berg pins .
RESET switch provided. CH-PD pin pulled high

ESP-01 can be directly plugged on to this board

ESP-01 to be purchased separately
USB to TTL module required to program firmwar on to ESP8266-01.