routines to control outputs with delays, loops, counts

• what is time delay?

  program instruction that says e.g. 'wait 10' which means the program will wait 10 seconds then go to the next instruction
• what is count?


  program can be told how many times it gets an input e.g. can give an output every 10 pushes of a button
• this is a tilt switch

  
• what does a tilt switch do?

  detects if something is no longer level