Have you ever seen or heard about Dummy Alarm? Now we are explaining you about Dummy Alarm. It is almost similar to an alarm, where as it flashes high power red LEDs for every 5 seconds. The main ...
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 ...
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