The PCB is 1 inch wide, the same width as the body of the switch itself. Not Helpful 5 Helpful More than you'll ever want to know: Begin constructing the schematic on the left by first connecting the battery holder not shown to the breadboard. Observe how you now have to switch the direction of the knob to achieve the maximum voltage. Published under the terms and conditions of the Design Science License. If you take a close look at the tables in the sound detector hookup guide, you'll notice that with R3 installed we can only reduce the gain.
Remember to take note of the polarity of the LED before you place it into the circuit; an LED wired in backwards won't light.
Rotary Switch Potentiometer Hookup Guide
Can you tell us which parts were out of date so we can update them? Because the difference is only on one resistor, the other is shorted and you need at least two resistors to reduce voltage. Voltmeters lack this inherent safety risk, and so whenever a voltage measurement may be made instead of a current measurement to verify the same thing, it is the wiser choice. No, it doesn't. I would really appreciate any help cause I need to know how it works for a science project. As you can see, motor speed may be made variable using a series-connected rheostat to change total circuit resistance and limit total current.