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Programming of PIC microcontroller in basic laguage is not much dificult. Proton compiler for PIC is very simple. To start with simple project, their ciruit diagrams and source codes,examples are...

Digital-to-analogue conversion is much simpler to achieve than analogue-to-digital conversion and the cost of building the necessary hardware circuit is considerably less. for futher detail information visit this #-Link-Snipped-# #-Link-Snipped-#...

Interface of stepper motor with microcontroller 8051 or PIC 16f877 with circuit diagram and explanations and source code can be found here. #-Link-Snipped-# or on this pages #-Link-Snipped-#

plz visit the following link for further information regarding converters and interface. #-Link-Snipped-# #-Link-Snipped-#

Realy voltages and motor operating voltages are two differnet things, they may be different. Even the source of power supply may be differnet, in that case realy provides an ioslation....