Automatic Irrigation System Using Arduino

In this post we are going to construct an automated water irrigation system for small garden using arduino and soil moisture sensor.

Smart Laser Alarm Protection Circuit using IC 555

The post discusses the making of a simple yet effective smart laser alarm protection circuit using the IC 555, for securing a specified restricted zone from human interventions. The idea was requested by Mr. Collins.

Cell Phone Charger with Timer Circuit

A simple cell phone charger with timer circuit is presented in the following article, which could be used for charging a given Mobile phone for a specified predetermined length of time. The idea was requested by Mr. Saad.