Java’s String class encapsulates an array of bytes. A byte can be converted to a char, in which case, String becomes an array of characters used to compose words, sentences, or any other data you want ...

UltraRemote is broken, due to bad parsing of /sdcp/attributes after updataing my printer to the 1.5.4 firmware. I modified MqttServer.java to print out the message and topic prior to decoding, like so ...