A LED flashing briefly once every 5 seconds to imitate the indicator of a real alarm is the function of this dummy alarm project with the use of a 7555 timer IC. To prolong battery life, the circuit ...
Las Vegas, NV (April 5, 2006) – Dortronics Systems Inc. is showcasing custom designed door entry solutions at this year’s ISCW. Among the many solutions offered is the 7201 Series High Intensity ...
Designed for retrofitting and replacing incandescent bulbs used to backlight annunciators in industrial plants and power utilities, the PowerLine Annunciator LED Series BA9-style T3-1/4 lamps not only ...
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