What this code does: • Connects ESP8266 board to Wi-Fi. • Connects to a secure MQTT broker (cloud server). • Reads weight from a load cell via HX711 sensor. • Sends weight data in JSON format to the ...

v1 - outputs the weight value v2 - outputs on/off as a switch v3 - same as v2, but stores the tare info in non-volatile memory. send do_tare via serial console to ESP32 to trigger a tare event ...

Abstract: In a shopping mart, imagine ten people waiting in line. If the first five people have many items in their carts, the last person with only one or two items may wait a long time to pay. To ...