MQTT_Thermometer which runs on ESP-01
based on https://github.com/gmag11/FSBrowserNG at the core for a web based ui
This is a MQTT temp sensor, which will run on an ESP-01
MQTT temp to /control/WorkRoom/TempC a min max json string is posted to /control/WorkRoom/minMaxTempC Last will posted to /control/WorkRoom/LWT
control is set as topic in mqtt.html WorkRoom is set as client id in mqtt.html
TempC is fixed minMaxTempC is fixed
exmaple minmax json {"Dev":"WorkRoom","maxTp":16.94,"maxTm":"00:00:05","minTp":16.93,"minTm":"17:25:56","TC":16.93,"TCRAW":16.87}
json string also available from http://IPADDRESS/json/TempC
see https://github.com/gmag11/FSBrowserNG for WiFi setup details read notes carefully, a file tweak is required to get time.h to compile
Data files for SPIFFS in data folder
NOTE !!
change required to PubSubClient.h
// MQTT_MAX_PACKET_SIZE : Maximum packet size
#ifndef MQTT_MAX_PACKET_SIZE
#define MQTT_MAX_PACKET_SIZE 192
#endif