This article show how to make a Laser Alarm Circuit for Security which even real spy can use it! It cost less than big expensive alarm from shop. 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 circuit is […]
Simple Rain Detector Alarm Circuit
This Simple Rain Detector Alarm Circuit will help from getting our clothes wet from the sudden rain. It show how to make a easy rain detector alarm circuit. 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 […]
Automatic Street Light Circuit using LDR
This article show how to use LDR and a relay to make a Automatic Street Light Circuit. Now many place uses LED street lights that turn on by itself, because people want to save energy! To save power these lights use LDR sensor to know when dark come. This article tell how to use LDR […]
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. Timer can turn things ON and OFF after some time. We see timer in many things like microwave […]