Tesla Coil Rs 1500RF energy Meter 7500railway Crossing system 7500Mobile controlled devices 6500wireess controlled devices6500Electrical distribution control 6500RF accident security 7500Fan temperature control 7500gesture Robot 8000Stepper motor control 5500password door access 7000Prepaid energy meter 7000Smart city 8500DC motor speed control using PWM 7500GSM modem based Humidity measurement 8500Car Parking security 7500Air Quality testing using GSM 12000Location based energy saver 6500