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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by abicash[/i] [br]looking for following 1. Want to control speed of 12v/100ma dc motor. 2. 3nos thumbwheel switches set decimal count 000-999 where 999=12v. 3. Corresponding voltage is fed to motor after a start push 2 on switch is pressed. I can drive the motor by transistors or pwm but dont know anything bout d/a conversion. Anyone ? [/quote]    Insert an Image File (GIF, JPG, JPEG, BMP, ZIP, PNG) Check here to include your profile signature.