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8051 Automatic college/school bell timer 1.0

Timer circuit to Ring the bell for school or college.

  1. sekhar007
    sekhar007
    3/5,
    Version: 1.0
    sir plz reply me this circuit and code doesn't work in proteus 8.0 version pls reply me sollution
  2. mahesh j shetty
    mahesh j shetty
    4/5,
    Version: 1.0
    Its good project
  3. Djoko
    Djoko
    5/5,
    Version: 1.0
    goo jobs
  4. santanu123
    santanu123
    5/5,
    Version: 1.0
    SIR PLS SEND ME THE PCB COMPONENT LAYOUT AND PCB LAYOUT OF 89C52 BASED AUTOMATIC COLLEGE BELL USING BC548 INSTEAD OF UNL2003
  5. karthickece
    karthickece
    5/5,
    Version: 1.0
    This project was sucessfully completed....... thnk u
    hair soft to u