This article show how to make a Laser Alarm Circuit for Security which even real spy can use it!, 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 Laser alarm […]
555 Timer Projects
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 […]