ESP8266 ESP-01 Serial WIFI Wireless Transceiver Module Send Receive Free Shipping
Baud Rate: the blue pcb is 115200, the black pcb is 9600, but the baud can be changed
Support 3 modes: AP, STA, AP + STA
Perfect and simple AT commands
Documents link: https://nurdspace.nl/ESP8266 https://cloud.mail.ru/public/c49b1ba2c8aa%2FFZ1082%20esp_iot_sdk_v0.6.zip
Note: There are 2 different color for this module, but same function, we send it by randomly.
1 X ESP8266 Module