$2.87

กริ่งประตูเสียงดนตรี+ลำโพง
[FK237]

• Generate a musical through a 2-inch 0.25W. speaker. • The IC circuit utilizes the principle of digital memory. • The digital signal and program which cannot be changed is put in IC produced from the IC factory. This is called as ROM. • The FUTURE KIT apply IC ROM in microchip from sealed with the imprinted connected pattern. • Power supply : 3 VDC. • Recommended housing : FB17 • PCB dimensions : 1.1" X 1.1"

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