Alarm Module
AssemblyPiezoelectric buzzer at 85 dB, RGB LEDs, and relay output for external annunciation. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Alarm Module
4 top-level lines as of r130434| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Piezo Buzzer | portable-gas-detector-buzzer | 1× | 1 | · | part |
| 2 | LED Board | portable-gas-detector-led-board | 1× | 1 | · | part |
| 3 | Relay | relay | 1× | 1 | · | part |
| 4 | Alarm PCB | portable-gas-detector-alarm-pcb | 1× | 1 | · | part |