Abstract
The temperature in a vehicle is a fundamental factor for its correct operation. When a failure occurs in the original temperature sensor, irreversible damage to engine components can occur due to overheating. In the present work, an auxiliary temperature system is implemented that alerts the driver before an eventual overheating of the engine by means of sound, visual and vibratory signals. The system compares the data provided by an LM35 temperature sensor and a Hall effect sensor in charge of counting the RPM in real time, using an Arduino, continuously processing the data and constantly informing the driver via an LCD screen. When a critical temperature is exceeded, an audible alarm will sound and a vehicle injector will be disabled. The system does not turn off the engine and is efficient in its purpose of alerting the driver, being suitable to implement in vehicles with multipoint injection due to its low cost of implementation.
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