A simple Arduino sketch for the ESP32 (an Espressif device) that securely connects to a remote server using Wi-Fi and TLS (HTTPS). The reason why the ESP32 platform is important here is because the ...
// MQTT port used to communicate with the server, 1883 is the default unencrypted MQTT port, // whereas 8883 would be the default encrypted SSL MQTT port constexpr uint16_t THINGSBOARD_PORT = 1883U; / ...
On this post is showed how to connect to a server TCP from an industrial Arduino based PLC controller. The requirements of this post is just an M-Duino PLC for industrial automation with Ethernet ...
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