Arduino Wemos D1 R1 (ESP8266) Connect to AWS

Hi, I'm trying to connect my Arduino Wemos D1 R1 (ESP8266) that using wifi connection to AWS IoT Core.
I have tried to connect MKR1010 board to AWS before.
That time, I tried AWS IoT Core with X.509 Certificate.
It worked that moment but now Wemos D1 R1 (ESP8266) isn't work as createing Certification.
I use ECCX08CSR code that provide form extra library.
To sum up, there is a problem in authenticating the device using the X.509 certificate for AWS IoT Core.
The question is can I connect Wemos D1 R1 (ESP8266) to AWS IoT Core?
I just wanna make the uploaded data accessible on the web after uploading the data to AWS.

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