- Install the cp210x driver
- Install the ESP8266 driver for Arduino
- Load the sketch
- Install the required libraries (PubSubClient, ...)
It defaults to use Geeny's Guest network
This is mostly based on:
https://hackaday.io/project/12482-garage-door-opener/log/45617-connecting-the-esp8266-with-tls
openssl x509 -in geeny-ca.crt -sha1 -noout -fingerprint
SHA1 Fingerprint=0C:91:46:C8:05:FE:23:41:18:52:DE:61:C5:40:2F:B4:CA:D1:EC:9D
// Convert certificates to .der openssl x509 -outform der -in thing.crt -out thing-crt.der openssl rsa -outform der -in thing.key -out thing-key.der
Fingerprint check in the client