编译// remote website name
char website[] PROGMEM = "www.lewei50.com";
char urlBuf[] PROGMEM = "/api/V1/gateway/UpdateSensors/01"; // 01应该更改为你对应的网关标识
char apiKey[] PROGMEM = "userkey:xxxxxxxxxxxxxxxxxxxxxxxxx"; //需要更改为你的userkey
的时候出错。请问是什么问题。谢谢
sketch_nov17b:27: error: variable 'website' must be const in order to be put into read-only section by means of '__attribute__((progmem))'
sketch_nov17b:28: error: variable 'urlBuf' must be const in order to be put into read-only section by means of '__attribute__((progmem))'
sketch_nov17b:29: error: variable 'apiKey' must be const in order to be put into read-only section by means of '__attribute__((progmem))'