This tutorial guides users in creating an Arduino application for recording climate data in an InfluxDB instance over WiFi. The process involves setting up an ESP32 board, pairing it with a DHT11 temperature and humidity sensor, and using the InfluxDB client library to send data to an InfluxDB instance. The code initializes the necessary libraries, sets up the WiFi connection, reads data from the sensor, adds fields to a Point object, and writes the data point to the InfluxDB instance. The tutorial demonstrates the potential behind pairing Arduino with time series databases like InfluxDB, enabling users to log any sensor data they can imagine and analyze longitudinal data.