555 Timer PRO provides an array of design wizards, circuit blocks and information panels that facilitate the use of the 555 timer. Component value calculations for the 555 take into account the supply voltage and timer fabrication (CMOS or Bipolar). Features include 555 timer synopsis, 22 timer design wizards, counter wizards, output circuitry examples, voltage reference design, "best pair" resistor substitution, and logic families reference.
Shutdown at a time or after an interval.
NX Free Light Timer 1.2.3
Timer will remind you of forthcoming event
Easy to use timer for your desktop.
Free Countdown Timer 4.0.1
Free countdown timer and clock
Portable countdown timer and clock