The convergence of education and technology has been emphasized, leading to the application of educational technology (EdTech) in the field of education. EdTech provides learner-centered, customized learning environments through various m edia and learning situations. In this paper, we designed hardware for EdTech-based educational tools for IoT security edu cation in the field of cybersecurity education. The hardware is based on a dual microcontroller unit (MCU) within a single board, allowing for both attack and defense to be performed. To leverage various sensors in the Internet of Things (IoT), the hardware is modularly designed. From an educational perspective, utilizing EdTech in cybersecurity education enhances engagement by incorporating tangible physical teaching aids. The proposed research suggests that the design of IoT secur ity education hardware can serve as a reference for simplifying the creation of a security education environment for embe dded hardware, software, sensor networks, and other areas that are challenging to address in traditional education..