Description
3 Tone Siren project produces Gun Sound, Police Siren and Ambulance Siren effects from a speaker. This project is built around UM3561 IC driving an LM386 audio amplifier to give that extra punch.
Specifications:
Supply input 6 VDC @ 200 mA
Output : Speaker, 8 Ω / 0.5 W
Two slide switches select and play different tones
On/Off Side switch for supply input
Terminal pins for supply input and speaker output
Power-On LED indicator
Four mounting holes of 3.2 mm each
PCB dimensions 42 mm x 64 mm
For more detail: 3 Tone Siren