Across
- 2. What type of mechanical switch only stays active while your finger is physically pressing it down?
- 5. What specific Arduino programming function is called to read the electrical state of an input pin?
Down
- 1. To what voltage source or rail does a pull-down resistor connect a digital pin to ensure a clean 0V reading?
- 3. What binary state or logic level does a microcontroller receive when a correctly wired pull-up button is left unpressed?
- 4. What core programming keyword represents the alternative path or "safety net" when an if condition evaluates to false?