This is example using BMP085 sensor with AtTiny85 chip. I'd compiled using well-known libraries so my personal thanks to many persons helped me

Thanks to

CalcProgrammer1 with great project

https://github.com/CalcProgrammer1/Stepper-Motor-Controller/tree/master/UnipolarStepperDriver

Peter Fleur http://homepage.hispeed.ch/peterfleury/avr-software.html

and

mikericetga

I hope my project with give a good starting point for followers.