RF based Automatic meter reading, or AMR, is the technology of automatically collecting data from energy meter and transferring that data to a central database for billing and/or analyzing. This means that billing can be based on actual consumption r

GSM Based Automatic Meter Reading System GSM based AMR code using the code for sends a message to read the energy meter data, GSM modem,

It is an SPI Driver in the IDF framework in esp32, where a slave chip of energy meter gets connected to the master esp32 and communicates with ti via reading a value of register.