<![CDATA[The rapid development of Internet of Things (IoT) technology has driven transformation across various sectors, including education. Understanding IoT—particularly through the use of microcontrollers such as Arduino—has become an essential skill that should be introduced early to students in preparation for the challenges of the Fourth Industrial Revolution. An Arduino workshop held at SMA Negeri Ambulu Jember aimed to enhance students’ understanding and skills in technology, especially in the context of IoT applications. The activity employed an experimental learning approach using Arduino microcontrollers and various sensors, including the DHT11 (temperature and humidity), HC-SR04 (ultrasonic distance), and LDR (light intensity). Through hands-on practice, students were introduced to basic IoT concepts, microcontroller programming, and sensor data integration and analysis. The evaluation results showed significant improvements in students’ cognitive and psychomotor abilities, as reflected in their capability to design and implement sensor-based systems independently. This workshop demonstrated that project-based and hands-on learning methods are effective in fostering interest and improving technological literacy among high school students.]]>
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