Working with C++ (.cpp files) in IoT some knowledge for conversion between formats¬†is needed. For seeding random ID strings this snippet might be useful: String clientId = “MyClient-” +¬†String(random(0xffff), HEX); char clientIdAsChars* = clientId.c_str(); Useful for connecting your IoT device…

Arduino WiFi.status() codes

For those who tinker with the Wifi Modules for microprocessors ESP32, Arduino Uno with shileds, or similar might have stumbled upon the WiFi library. Due to the lack of code actual values on the library page for the WiFi the…