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How to use UM66 or BT66 Musical IC
Jan 28 in LDR Engineering
Written by: Sagar
The following schematic is for UM66 or BT66 musical IC. You need very few components to make this circuit.
Pin configuration for UM66 is given below:
Zener diode rated 3.3V maintains the required 3.3V for UM66 IC. The output from Vo of UM66 is amplified by BC547 transistor.
Click on the video to see the output
