EngineeeringComputerWorks.com ComputerControlSystem is shown functioning with the clock counting upwards in binary 0 to binary 9 and repeating again. This method of counting is BCD or Binary Coded Decimal to allow a count of 10 and repeat. This follows by 60 seconds clock timing with 6 repeats every 10 seconds. The clock has a LCD connection in the program and Microchip PIC 16F84A and will show the time. The clock can be made adjustable with a keypad or buttons to control the time and set the time. For enquiries, please contact cjhoong @msn.com , firstname.lastname@example.org , email@example.com . The EngineeeringComputerWorks.com various ComputerControlSystem and the various clocks are created by Prof Dr Chan Junt Hoong FIET FIEEE BEng CEng .