prepaid energy meter at89s52


Posted on Feb 7, 2014

Change the smart cards into manual push buttons to set the energy consumption so that the consumer will need not worry on where to buy smart cards. is this a possibility we also don`t have enough supply of smart cards here in out location. we are planning to change the smart cards into manual push buttons to set the energy consumption so that the


prepaid energy meter at89s52
Click here to download the full size of the above Circuit.

consumer will need not worry on where to buy smart cards. is this a possibility




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    LX-800 Chaser & Strobe
    Networking Security System (ATmega16L)
    ltc4000 lifepo4 battery charger circuit design
    Touch Panel System Using Mc34940/mc33794 E-field Sensors
    Periodic Timer Timing
    Light Alarm Circuit
    Multi-Colour LED
    Three-phase controlled rectifier circuit
    Output by the CS3843 and CS5101 composed of 5V 3.3V switching DC power supply circuit



    Top