Welcome to this comprehensive tutorial on functions in Arduino programming! Whether you're new to Arduino or looking to deepen your understanding of functions, this guide is designed to help you write ...

Function FirebaseJson.toString is used for (pretty or plain) print out the JSON object as Arduino string (this function takes String param). Functions FirebaseJson.iteratorBegin, ...

Wire.write(): This function allows a device to send data as a data byte, string, or array. Wire.read(): This function is used by the receiving device to read the data that has been sent.