Hello the following articles | Microcontroller › 8051 › 8051 › Hello the following articles February 24, 2011 at 7:08 am #5613 AnonymousGuest Hello the following articles may help you out. http://www.engineersgarage.com/microcontroller/8051projects/digital-clock-with-digital-thermometer-AT89C51 http://www.engineersgarage.com/microcontroller/8051projects/celsius-fahrenheit-scale-thermometer-AT89C51