In this paper, combined with Arduino development platform based PID (Proportional Integral and Derivative) control and the constant temperature monitoring system of PWM (Pulse Width Modulation), the main core is to achieve power control; the sensed temperature is after the PID operation, and then PWM is used to change the current output of the Duty Cycle to control AC-powered lamp heating and DC-powered fan cooling.
Using IoT (Internet of Things, IoT) technology, devices and cloud technologies are integrated to achieve constant monitoring of multiple devices. Through the operating system built by us, it can monitor the devices scattered everywhere; as long as there are WiFi devices that can make an Internet connection, it can allow users at all times, even in a foreign country, to have mobile Internet capabilities means for monitoring. The system will automatically receive the instantly plotted temperature curve of temperature data, so the user can clearly understand the current and past temperature changes. In addition, the system will collect temperature data and store them in the system database. When needed, it may be output immediately to facilitate large data (Big Data) analysis for future temperature changes or data Applications.
