Replacing the 545, the 555 is ready to go to work for you. The 555 has an instantly repeatable time cycle, and these digital circuits react little to power line interference and none to frequency variations.
Features:
Extensive timing capacity...from .1 second to 59 minutes 59.9 seconds
Ability to count down or up
Ability to function as a stop watch
Display made up of 5 LED's...1/2' inch to report minutes, seconds and tenths of a second
Automatic reset feature with the capability to repeat a cycle over and over by pushing a single button
LED lights indicate which outlet is on
LED light indicator for count down/up function
Display intensity options: 3 brightness levels Off
Variable audio signal: One second long tone at end of cycle Warning tone at 30 second intervals One second interval metronome No tone
2 outlets: Cycle on or off time Function under timer control or independently
2 output jacks...provide logic level compatible signals parallel with the corresponding AC outlets
