Because circuit analysis course coverts a large amount of knowledge and information, has less number of course hours and the theoretical analysis process is boring, students generally have lower interest in learning. Although the computer simulation demonstration can deepen the understanding of knowledge points, can make abstract knowledge points become intuitive, but it is not as impressive as the physical demonstration. In order to meet the training requirements of innovative talents in the new period, four demonstration experiments which are “external characteristics testing experiment of components”, “DC power experiment”, “temperature testing experiment” and “digital to analog conversion experiment” are designed using a laptop, NI myDAQ and breadboard. Design requirements and design ideas of the demonstration experiments, as well as the concrete realization scheme of each demonstration experiment are introduced in detail, including experimental purpose, experimental principle, realization scheme and experimental results. If they are applied in the classroom teaching of Circuit Analysis Courses, it can not only deepen the students’ understanding of the knowledge, but also stimulate their enthusiasm in the class, develop their engineering consciousness and innovative thinking.