Description: Ding/dong door chime the classic door chime ding dong. Adjust the component values in the two RC networks to get exactly the tones you want. 3V and low standby current.
Kit Includes:
1 x Switch
1 Watt 8 ohm speaker
2 x AA battery holder
COB and mother board
Specifications:
COB PCB size: 16mm x 29mm
Documentation and Downloads