3 Tone Musical Bell with Audio Amplifier
3 Tone Musical Bell project is built around BT66T (UM66) IC driving LM386 audio amplifier to give that extra punch.
- 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