Electronic Music Maker

This electronic music maker uses an astable oscillator circuit that is controlled by a photocell. The light falling
Electronic Music Maker - schematic

on the photo cell controls the tone. By mounting the circuit in a box, you can control light-reading PCI with your hand.


Recommended videos

  • Purpose of the Diode in Doorbell Circuits? Test circuit and Experiment!
    Duration: 13:18.
  • Musical doorbell built on microcircuit ...
    Duration: 2:40.
  • how to make a calling bell circuit
    Duration: 4:09.