Recent content by iamsorryno

  1. I

    Metal Detector

    hello everyone I done this project and it works now i need explanation about the capacitors why the sound change if i change the value of capacitor i know it but i can't elaborate clearly it on my mind .. sorry in my grammar hehe
  2. I

    Variable resistor

    where can i place the variable resistor's pin in connection for 555 timer???
  3. I

    Traffic Lights

    hello i am second year student ece so i only have slight knowledge about this 555 timer , how can change the off time for led 3 to make a perfect sequence for this circuit