About the Pushbutton LED Circuit
The battery pack is connected to the red battery wire, which is connected to the push button via the top bus. The other wire connected to the push button is linked to the resistor, which in turn is connected to the LED. The LED connects to another wire, which connects to the bottom bus, which is linked to the black battery wire, which goes back to the battery pack.
What is the terminal strip of the breadboard?
the vertical 4 on the top or the vertical 4 on the bottom
EEME Dad's comments: the vertical 4 holes you grouped together are all connected together.
What is the bus part of the breadboard?
top and bottom
How the H-Bridge works
by using mirror circuits, current can be switched from positive to negative and then negative to positive, allowing the motor to turn in both directions.
EEME Dad's comments: The current isn't actually switching from positive to negative, just flipping in flow direction.
What is the resistor's role in a circuit?
The resistor slows down the flow of electric current through the breadboard so that the current does not burn out the LED light. The second resistor slows down the current more making the LED dimmer.
Capacitors In A Circuit - Small Capacitor
small capacitor holds less charge