Reads the value of a specified digital port. The value returned will be either a 1 or 0 depending on the state of the digital sensor.

Syntax

1. digital('digital port');

Example

1. //Move forward until the digital sensor detects a wall.
2. void main()
3. {
1. motor(2,95);
2. motor(4,95);
3. while(!digital(8))
1. sleep(0.5);
4. ao();
4. }