Electronics is of utmost importance; today, electronics is used more than ever. Without electronics, the use of lighting devices, televisions, telephones, and most household appliances is impossible. Additionally, it plays an important role in most electrical devices, so it can be said that electronic components are applicable everywhere. To emphasize that the field of electronics forms the basis of industrial advancement, it is essential to explain and clarify the content of electrical circuits, safety procedures, electronic components, and the automatic transformer circuit board correctly and fundamentally in this module based on the educational framework of the electronics field.