1.PC Controlled Robot
2.Accident investigation system
3.RF modem ticketing for Railways
4.Remote order booking for e-hotels
5.RFID personal object tracking device
6.Bus identification for blind using RFID
7.RF Modem based home automation
8.SMS based train information system
9.SMS acknowledgment system for student attendance to parents
10.Processing files using DTMF
11.Information system implementation in Remote and Rural areas using RF modem
12.Public bus tracking system
13.Vital Science Monitoring system
14.Real time tracker
15.Automatic car control using Proximity sensor
16.PC to PC Communication using RF Modem
17.Automatic Speed Control Using Proximity
18.SMS Based Home Automation
19.Steering Angle Prevention System Using Micro Controller
20.Automatic Power Control System For Industrie

plese send me latest communication mini projects details with ckt diagram and description and cost and tell me how to get it

RE: electronics and communication mini project
PC Controlled Robot

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SMS based train information system

Within Rs. 500/ you could have a better mini projects. You only needed is the skill in soldering. I have uploaded several mini project ranging from different cost in my blog.
This project report I have uploaded here costs about thousands. The topic is Accelerometer based Tilt Sensor for Controlling Wheel Chair[attachment=4060]