3 TONE MUSICAL BELL
3
Tone Musical Bell project is built around BT66T (UM66) IC driving LM386 audio
amplifier to give that extra punch.
Features
Input
6 VDC @ 200 mA
Output
8 Ohms 0.5 W Speaker
Terminal
pins for supply voltage and speaker connection
Power-On
LED indicator
Onboard
push to ON switch
Four
mounting holes of 3.2 mm each
PCB
dimensions 35 mm x 54 mm
Connections
CN1: Power Supply
LS1: Speaker
Schematic
Connection
Block Diagram
Photos
Datasheet
PCB
