The plug-and-play style of smart home devices is convenient but expensive. ESPHome is monumental in helping you save costs ...
An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention.
Uses the WiFiClient library (found in board packages such as the Portenta H7, ESP32 and ESP8266). It allows microcontrollers to download files/data from FTP servers that support Passive mode (PASV).