Input & control
ON/OFF Switch
A slide switch. It stays where you leave it.
- Family
- Input & control
- Terminals
- end (right), end (left)
- On the workspace
- Click to switch
Input & control blocks
Input and control blocks decide when current flows. Switches open and close the path, and the potentiometer changes how much resistance is in it.
Circuits that use this block
- First buildLight it upBattery, switch and an LED in one loop.
- First buildWhat happens in reverse?The LED is turned round, so it stays dark.
- First buildWhen components line upTwo LEDs in series. Together they need more than 3 V, so neither lights.
- Next stepSpin a motorThe same loop with a DC motor. Rotate the motor to reverse its direction.
- ClassicLet's make some musicThe Melody IC drives a passive buzzer. It is faint on its own.
- ClassicMaking a melody louderA transistor amplifies the Melody IC so the passive buzzer rings out.