ESP8266 ESP-01 Serial WIFI Wireless Transceiver Module with USB to ESP8266 Adapter for Arduino UNO R3 Mega2560 Nano Raspberry Pi (ESP-01 + USB)

1.UA USB to Serial Adapter will make your programming of module ESP8266 ESP-01 more comfortable.2.ESP-01 serial wifi module can be directly plugged into the yellow pin header without any connection wires3.You can get more information by Google "All in one ESP-01 to USB converter" . They have details on getting into programming mode and link for the CH340 driver if you need them.4.The Adapter use CH340 Serial Chip which has more stable performance and powerful compatibility. It can support all Windows system.5.Package：1 x ESP8266 ESP-01 Module, 1 x CH340 USB-Adapter