555 Timer PRO and the extended version 555 Timer PRO EX are the best 555 timer references available.
With almost a half million downloads so far, users have found this timer software to be superior to any other printed or digital resources.
Each provides an array of design wizards, circuit blocks and information panels that facilitate the use of the 555 timer in projects. Component value calculations for the 555 take into account the supply voltage, timer fabrication (CMOS or Bipolar), and, where appropriate, load currents.
Features include:
555 timer synopsis includes pin functions, fabrication differences, component selection
22 timer design wizards - 14 for the astable mode, 8 for the monostable mode
input circuits - for gating an astable or triggering a monostable. Input categories are switch, touch plate, continuity, liquid level, AC detect, light, sound, and temperature.
counter wizards - facilitate divide by/count to strategies using common binary and decade counters
output circuits - that can be activated by the 555 timer. Includes switching loads, driving motors, driving LEDs, lamps, numeric and bar graph displays, and audio, ultrasound and RF outputs
general - voltage reference design, "best pair" resistor substitution, logic families reference, IC pin outs for all ICs used in 555 Timer PRO EX
PDF file output creates complete projects by writing all project circuit blocks to one convenient PDF file
555 Timer PRO and 555 Timer PRO EX (extended) are combined in the same demo download. Simply toggle between modes to view the features of each. Most resistor values are masked in the demo; some circuits are electronically blurred; some menu items are disabled.
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