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6

that function indeed requires "const char*" as parameters There seems to be a misunderstanding here. The method signature is: bool ESP8266WiFiAPClass::softAP(const char* ssid, const char* psk, int channel, int ssid_hidden, int max_connection); Within this signature, the word const means the method makes the promise not to modify the ssid nor ...


3

Some RTC chips contain a small amount of battery-backed SRAM ("NVRAM" - Non-Volatile RAM) which you can use for whatever you like. This is just ordinary RAM which is powered by the small battery that keeps the RTC running. Not all do, though, so check the specs for your chosen RTC chip. For example, the DS1302 has: 31 x 8 Battery-Backed General-...


3

server.enableCORS(true); The server will add the response Access-Control-Allow-Origin=* header


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