ERROR compiling sketch for esp8266

2 years 3 months ago #3785 by GABRIELISCOMING
message error:
warning: espcomm_sync failed
error: espcomm_open failed
error: espcomm_upload_mem failed
error: espcomm_upload_mem failed

i have switch to the 3.3v power supply, put it as flash mode under this picture:https://cdn.instructables.com/FM0/SPBG/IAHPB5TM/FM0SPBGIAHPB5TM.MEDIUM.jpg?width=614

code i am using is ESP8266_PIR_sensor_REST.ino under EIoTCloudRestApi folder of this website:
github.com/iot-playground/EasyIoT-Cloud/...ter/EIoTCloudRestApi

if anybody can help, ill be grateful to them ty

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2 years 3 months ago #3786 by EasyIoT

GABRIELISCOMING wrote: message error:
warning: espcomm_sync failed
error: espcomm_open failed
error: espcomm_upload_mem failed
error: espcomm_upload_mem failed

i have switch to the 3.3v power supply, put it as flash mode under this picture:https://cdn.instructables.com/FM0/SPBG/IAHPB5TM/FM0SPBGIAHPB5TM.MEDIUM.jpg?width=614

code i am using is ESP8266_PIR_sensor_REST.ino under EIoTCloudRestApi folder of this website:
github.com/iot-playground/EasyIoT-Cloud/...ter/EIoTCloudRestApi

if anybody can help, ill be grateful to them ty


It looks like ESP8266 is not connected to FDTI USB correctly. Or in Arduino IDE is not selected correct COM port.

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