Espressif Systems ESP-WROOM-02 User Manual page 13

ESP8266User Manual
（3） Mac Address：Mac address of ESP8266.
Also set the jumper on the motherboard as MTDO：0，GPIO0：0，GPIO2：1, then
it will enter download mode. Steps are as follows:
(1) See the red boxes in the picture above, select the bin file to be burned ->fill in the
path ->check burning options.
(2) Set COM port and baud rate.
(3) Click "START" to start downloading.
(4) After the downloading, disconnect the power for the motherboard, and change the
jumper into operation mode. Re-connect the power for operation. Set the jumper
on the motherboard as MTDO：0，GPIO0：1，GPIO2：1 for operating mode.
Note: please disconnect the power when setting the jumper.
13 / 13Espressif SystemsJune 19, 2014