This article show how to make a Laser Alarm Circuit for Security which even real spy can use it!, Moreover, the circuit cost less than big expensive alarm from shop and also it is fun to make by ourselves and is good to protect our things. What is a Laser Alarm Circuit for Security To […]
Alarm Circuits
Simple Rain Detector Alarm Circuit
To begin with, this Simple Rain Detector Alarm Circuit helps prevent wet clothes during sudden rain by showing you how to build an easy rain detector alarm. Next, this circuit uses sensor to know when it is going to rain and then it make sound to give warning, so we can take umbrella or bring […]
Adjustable Timer Circuit using 555 IC with Buzzer
This Adjustable Timer Circuit using 555 IC with Buzzer shows how to make one timer circuit and this timer can change time and make sound with buzzer using IC 555. Timer is like small clock for electronics and it can turn things ON and OFF after some time. We see timer in many things like […]