Sms Controlled Multipurpose Isolated I/O board 8 output / 4 input

With the advancement in technologies in wireless communication many products are available in the market to make the human life more comfortable. One of my friend asked me to design a project for him .His only requirement was to switch ON/OFF his irrigation pump ,which is two km away from his house. I could not find the radio module which could cover this distance So I decided to design sms controlled project. I used sim300 gsm module which is readily available in the electronic market. His only requirement was to switch ON/OFF single pump, and feedback via sms whether the pump has actually switched ON or not.
Sms Controlled Relay Board (8 Relays)

With the advancement in technologies in wireless communication many products are available in the market to make the human life more comfortable.One of my friend asked me to design a project for him .His only requirement was to switch ON/OFF his irrigation pump ,which is two km away from his house. I could not find the radio module which could cover this distance So I decided to design sms controlled project. I used sim300 gsm module which is readily available in the electronic market. His only requirement was to switch ON/OFF single pump.
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* Pc to Pc Fiber - optic communication

The above project uses two nos transreceiver modules ,and the circuit communicates at 9600 kbps. ‘c’ codes comes with along with project.
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* Pc to Pc Laser Communication

The above project uses two nos transreceiver modules ,and the circuit communicates at 9600 kbps. ‘c’ codes comes with along with project.
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Line Follower Robot with Obstacle Detection
This project is same as line follower Robot / Buggie
Only Obstacle sensors are added.
Automatic Mains Failure Solution

Now a days we often see power cut every now and then, mains supply fails at any time of the day without prior information, this causes lot of trouble specially during summer. Life gets almost paralised without an electric power.Power inverters and ups solves this problem up to certain extend for low power consumers, specially household domestic loads and small shops can make use of this type of solution.
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