Two transistor Metronome
This project is a two-transistor metronome. Both transistors are placed in oscillator circuit which can drive a speaker directly without a transformer, the control is to vary the frequency of the 'click'.
220K resistance can also be changed by a 470K to slow down the frequency, or by a 100K to increase the frequency of click.
The circuit is the same as the Metronome project in the oscillator section, but with the changes necessary to get a 'click' to the speaker instead of a tone.
Use the space provided to describe the operation of the circuit. A VOM or oscilloscope can be used to observe polarity voltages to the circuit components to check the direction of current flow.