LM317T Voltage Regulator with Pass Transistor

The project is designed to provide low voltage start to induction motors. This is achieved by using star to delta conversion. Star/Delta starters are probably the most common reduced voltage starters in the 50Hz industrial motor world. Star delta is used in an attempt to reduce the start current applied to the motor. Thereafter, full load current is applied to the motor. For more information about this project, visit www.edgefxkits.in Edgefx Technologies provides 100% output guaranteed electrical and electronics live project kits for 3rd & final year engineering students. We provide various types of projects like embedded projects, robotics projects, electrical projects and communication based projects and help to thousands of ECE and EEE students in improving their practical knowledge in electronics. For more details, visit www.edgefxkits.in



http://www.youtube.com/watch?v=eOG3jXS3uWg&hl=en

Arduino starter kits and books can be purchased from my Amazon Store: astore.amazon.com In this video I explain why I chose the Arduino open source electronics development / prototyping platform. I also show what parts / components are included in the Netram Technologies starter kit I received.(www.netram.co.za Handy websites: www.toddfun.com www.arduino.cc tronixstuff.wordpress.com www.timnolan.com http Dave Jone EEVBlog: www.eevblog.com Parts List: 1 1x Arduino UNO R3 * ATmega328 microcontroller * Input voltage - 7-12V * 14 Digital I/O Pins (6 PWM outputs) * 6 Analog Inputs * 32k Flash Memory * 16Mhz Clock Speed 2 1x Breadboard 840 Point White 3 1NPA-AS3 Relay (3V , 3A) 4 6x 5mm Colour LED's 5 1x NPN transistor (P2N2222A) 6 1x Triple Output RGB LED 7 5x 5mm Microswitches 8 1x Jumper Wire Kit 9 1x LDR (Photocell 10 1x Temperature Sensor (LM35) 11 2x High Bright LED (White) 12 1x Small Servo Motor 13 1x Potentiometer 14 2x Resistor Packs (220, 10k) 15 1x USB Cable 16 1x Zener Diode (1N5225) 17 1x Piezo 18 1x LM317 Voltage Regulator 19 1x 9V Battery Connector 20 1x Protoplastic 100g 21 1x Resource CD My addition add-on: Serial Enabled 16x2 LCD - Black on Green 5V Projects I plan to attempt in the near future: * Digital thermometer with stand alone data logging * DC power and temperature data logger for solar panel performance comparisons * An MPPT solar charge controller to investigate the various tracking algorithms used in these devices.



http://www.youtube.com/watch?v=SG5cLPixJno&hl=en