The use of the ESP8266 in the world of IoT

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By SP1988
#82174 Hi, I'm trying to connect my ESP8266 to Amazon WS via HTTPS. I've passed in the public key and CertCA in the example BearSSL validation.ino through arduino IDE. I get connection but serial output says "cannot setup SSL".

What else do I need to pass in? Amazon has 2 root CAs, I"m not sure if both are needed but that could be part of the problem?