ITEM NAME:1 set DIY Kit NE555 Component Electronics Piano Organ Module Battery №[ Description: 1. Power supply voltage: DC3-12V 2. PCB size: length 13.5CM* width 2.2CM 3. Features: It is simple and practical, and the power consumption is small, and the circuit is driven by an integrated circuit. The parts are few, and the line is simple and clear. In the process of debugging, the understanding of the principle of the circuit will be deepened. Pakage include：1 set.It is simple and practical, and the power consumption is small, and the circuit is driven by an integrated circuit. The parts are few, and the line is simple and clear. In the process of debugging, the understanding of the principle of the circuit will be deepened.
