DIRECTLY TAKEN FOM ELECTRONICS SNAP CIRCUITS PRO
Project # 340 - MUSIC METER
Set the Meter to the LOW 10mA setting ... the output of the MUSIC IC is set to the less windings side of the TRANSFORMER.
Placing the Adjustable Resistor to the bottom posistion, and turning on the Slide Switch ... the LED flashes and the Meter deflects , as the Adjustable Resisitor is varied in its resistance ... the LED gets brighter and the Meter deflects more higher up the scale given on the Meter.
Components
1×
center tapped transformer
1×
10k resistior
1×
LED
Fiber Optics / Emitters
1×
10mA meter
1×
switch
Development Kits, Boards and Systems / Development Kits and Boards