digital alarm clock


Posted on Feb 6, 2014

Most of the LCD issues are due to Delay routines only. First try to interface LCD properly then try for your digital clock. Step by step approach is important. You may refer to LCD tutorial which is in tutorial section. code is ok i check it on Proteus it is working well here is the file u can see it firstly try a led blinking program that clearthe hardware doubt still this


digital alarm clock
Click here to download the full size of the above Circuit.

code can `t tell us that is hardware issue of software Logic contentions detected often come when lcd is driving in 4 bit mode or there is a logically wrong connections let say u joint a vcc and ground then this error come also




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    Decimal to BCD Convertor Keypad
    Positive-triggered-monostable
    Positive-triggered-touch-circuit
    200mA/Hour 12V NiCAD Battery Charger
    Triple Power Supply
    ic lm2917 frequency to voltage
    Changing Fan Speeds
    Battery Charger Display Using LT1639
    9-Line Telephone Sharer
    Build Basic Radio Frequency Electronic Circuits
    Battery Tester Circuit Schematic
    Multi-Melody Generator With Instrumental Effect
    100v / 10ma regulator circuit



    Top