Electronics is an essential necessity; today, electronics are used more widely. Without electronics, the use of lighting devices, televisions, telephones, and most household appliances is impossible. Additionally, it plays a significant role in most electrical devices, indicating that electronic components are applicable everywhere. To emphasize that the field of electronics forms the basis of industrial progress, it is necessary to explain and clarify the content of electrical circuits, safety measures, electronic components, and automatic transformer circuit boards correctly and fundamentally in this module based on the educational standards of the electronics field.