Burglar Alarm Goes Off When Power Cut

Accenta/Optima - Free Instruction Manuals
The Power LED is on and the Day LED is off indicating that the system is set. If your system goes into alarm then be aware that intruders may be in the premises. Accenta/Optima User Guide 8 CHIME RESET] [] [] [] ... Fetch Document

555 Timer IC - Wikipedia
The 555 timer IC is an integrated circuit (chip) ease of use, and stability. It is now made by many companies in the original bipolar and in low-power CMOS. As of 2003, the OUT pin goes high and a timing interval starts when this input falls below ... Read Article

Strange Power Activaty In My Village