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Recent content by arexxx

  1. A

    auto reset pic 18f2550

    Have you already carried out the test without connecting the load LED? it is possible that the relay is the problem. I always put a snubber circuit across the coil as well; either a self contained one, or a 10 Ohm resistor in series with a .22uF capacitor (for a 5VDC coil); again, for transient...
  2. A

    PIC12F675 Changeover and High Voltage Detection

    I have modified and tested the program. I have added a TestPin. Pin 4 (GP3 / MCLR) must be connected with 10k to + (VDD) becomes TestPin. Normal operation TestPin open Led flicker with cadence of 1 sec. When TestPin is connected to GND, Led will flash quickly, the delay will be practically...
  3. A

    PIC12F675 Changeover and High Voltage Detection

    ok I have been a bit sloppy, the timer is indeed only 8 bit, I wrote this code in 15 min and still needs to be adjusted but I wanted to post it to start a reaction. ok then we make 500us instead of 1ms I know that the Start_delay_3sec and Start_delay_5sec are not being reset, but I still had to...
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    PIC12F675 Changeover and High Voltage Detection

    I have written a program but have not tested it. can you test this? Greetings albert - - - Updated - - - I have made some adjustments. can you test this? Greetings albert
  5. A

    PIC12F675 Changeover and High Voltage Detection

    do you have a programmer to program the code? I can write a program in ccs c for you. albert

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