( DC 9 ~ 12V)
(drives 8 ~ 16 ohm horn
speaker. Horn speaker not included)
A kit that generates 4 different sound effects.
(Police /
ambulance / fire engine / machine gun) The CMOS IC synthesizes these sounds
electronically. The circuit has a power transistor as booster for driving
horn speaker which will produce extremely loud siren sound.
Applications : Siren for security alarm system,
ambulance siren, .... M3561
datasheet (pdf)