Those parameters are stored in nvs (using the Preferences.h library) and read if and when required. IP addresses, or temperature cutoff point or whatever). The system will be installed at a location 80 km from where I live, so I want the user to be able to change certain configuration parameters without the need for me to be present (e.g. Temperature and humidity readings and relay status are then sent to a MQTT broker over WiFi. I am making a system where an ESP32 takes readings from a DHT22, and uses those readings in order to set or reset a relay connected to a heating system if below or above a previously set reference temperature. Yes, I have read the “Serial Input Basics”, and quite a few more web pages or Youtube clips. I need some help with serial communication between an ESP32 and a computer when using a terminal emulator.
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