Hello friends, I hope you all are doing great. Today, I am going to share the IoT Environmental Data Logger with ESP32 - Proteus Simulation , the twenty-fifth project of our IoT Projects series. If you have searched for a Proteus simulation of an ESP32 data logger that writes to an SD card, here is a complete one. An ESP32 DevKit V1 reads a BME680 environmental sensor every 5 seconds, writes every reading to a micro SD card as a CSV file, shows the latest values and an air-quality score on a 1.54-inch e-paper display, and serves a web dashboard from which you can download the whole log. A data logger is one of the most useful things an engineer can build: it records what happens while nobody is watching. Logged readings show how the air of a classroom changes through the day, whether a ser ...