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Alarm Mechanism

Assembly

The wake-up works: a 12-hour cam closes a contact at the set time, powering a small motor whose eccentric swings a hammer between two bells. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Bill of materials for Alarm Mechanism

7 top-level lines as of r3509
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Alarm Cam alarm-clock-alarm-cam 1× 1 · part
2 Trip Contact alarm-clock-trip-contact 1× 1 · part
3 Alarm Motor alarm-clock-alarm-motor 1× 1 · part
4 Eccentric Pin alarm-clock-eccentric 1× 1 · part
5 Hammer Arm alarm-clock-hammer-arm 1× 1 · part
6 Bell Dome alarm-clock-bell-dome 2× 2 · part
7 Piezo Buzzer alarm-clock-buzzer 1× 1 · part