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  1. C

    remote on/off

    Hi, I need to build a circuit for a project at work and would like peoples opinions on what I have so far. Outline: I have an instrumentation amplifier which will be powered by a 9VDC battery. The amplifier outputs 4-20mA. I am building a small circuit to attach to the battery and amp which...
  2. C

    Reducing Boolean algebra

    Hi, I am new to the forum so hello to all. I am studying a BTEC in EE and going onto a HND hopefully next year. I am struggling a bit with reducing boolean algebra. I seem to be able to look at the same problem 3 times and come up with three different answers. Can someone give me some hints...
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