Description: UM66 or BT66 is a musical IC. The following circuit generates a melody using UM66. This module can be used in a number of projects like, light operated musical bell, remote bell, infrared based music transmitter and receiver, etc.
In this particular project module, whenever the tactile switch is pressed, the circuit starts playing music. Datasheet of UM66
Articles related to UM66:
WATCH THE VIDEO:
EasyEDA: Ideas for Circuit Design, Innovation for Electronics Access Free Circuit Design: Schematic - Simulation - PCB Layout - Gerber Viewer JLCPCB Prototype & Small-batch PCB: Only $2 for 10pcs 10×10cm PCBs, 24 hours Quick Turn, DHL Delivery in 3 Days