I want make a ESP8266 webserver but I can only send char* format. I need convert double type to char type. Code: #include <ESP8266WebServer.h> #include <SFE_BMP180.h> #include <Wire.h> const char* ssid = "TTNET_ZTE_2NPS"; const char* password = "mJmZuN6Uwq"; bool success = false; double T, P; ch…

you need a buffer large enough to host the text, then there are functions to convert a double to its ASCII representation for example: void pressureUpdate() { char html[20]; snprintf(html, sizeof html, "P = %lf", P); server.send(200, "text/html", html); }

Converting double to char

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J-M-L November 14, 2021, 10:13am 4

have fun !

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Converting double to char

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