HomeTutorialsScratch Extension BlocksArduino ExtensionTimer Timer Introduction Timer block is a Robot block and a reporter block. It returns the time passed since the device is turned ON or since the timer has be reset. This block returns time in milliseconds. This block can be used in Arduino Mode as well as in Scratch Mode. Timer Block Type: Reporter Block Extension: Arduino Extension Scratch Mode: Yes Arduino Mode: Yes Example Checking if an amount of time is acceptable for advancing to another stage of the project. Displaying Potentiometer 1 value with Time Stamps.