Recent content by willsonwanda

  1. willsonwanda

    Can I replace a brown ceramic capacitor with blue ceramic?

    Yes it should be OK, unless you think it might clash with the other colours!
  2. willsonwanda

    Meaning of square symbol ?

    The square is a four-sided figure that has always been used to represent the attributes that are associated with the number four. In Sacred Geometry, the square represents orientation and direction, in contrast to the circle, which symbolizes limitlessness.
  3. willsonwanda

    Samsung smart tv black screen of death

    You can normally resolve this by unplugging the TV, waiting 30 seconds, and plugging it back in. Next, update your firmware – but ensure your TV is connected to your Wi-Fi.
  4. willsonwanda

    Need help with microcontroller project

    What can I do with a micro controller? Automatic washing machine motor control system. Bidirectional Visitor Counter. DC Motor Controller Using AT89C51. Digital alarm clock. Digital clap counter. Digital Dice Using 8051 Microcontroller (AT89C51) Digital Energy Meter LCD display. Digital...
  5. willsonwanda

    a transistor is a variable resistor

    Yes, a transistor is like a variable resistor, in that the resistance between collector-emitter or drain-source is variable. It's like a valve, and either allows current to flow or blocks it from flowing.
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