B4R Tutorials

Example of implementing a "traffic light" with 3 leds. There are four states: red, red + yellow, green and yellow.

It uses CallSubPlus to switch to the next state after the current state...

 

Sub Process_Globals
   Public Serial1 As Serial
   Private btn As Pin
   Private led As Pin
End Sub

Private Sub...

 

A simple example that uses a Timer to change the state of pin 13 (this is the pin connected to the built-in led):

Sub Process_Globals
   Public Serial1 As Serial
   Private Timer1 As Timer...