It is a firmware code for refrigerator sensors monitoring via ESP32 T-Call GSM/GPRS SIM800H board created using C++ and arduino IDE (first prototype was made with Arduino Leonardo)
Project is sponsored by Hlad Service.
(Currently under development)
Firmware provides flexible data gathering/sending from sensors to server, self-configuration, reliable client/server communication. AT configuration was written for kyivstar sim-cards.
Circuit with esp32 |
Circuit with Arduino Leonardo |
ESP32 T-Call GSM/GPRS SIM800H |
Elecrow Leonardo GPRS/GSM IOT |
Working prototype |
Hlad Service logo |