Freeware download circuit simulation [2 articles found] (supplemental result)
Freeware BREAKTRU AUTOSIM
NYCT automatic signal system circuits..
A simulation of a NYC Transit Authority train traveling by automatic signals with working stop arms. Working circuit drawings show how the signal system relays function while the train passes over track circuits. Good learning tool. Real photos used in the program design.
Hobby & Education - Miscellaneous, On May 9, 2008 updated, downloaded 6 times, file size is 2986Kb.
Freeware Atanua
Atanua - Real time logic simulator.
Atanua is a real-time logic simulator designed for educational use. It has an intuitive, OpenGL accelerated user interface, with which the user can place components and wires. Components include all common logic blocks, including gates, latches and flipflops, about 30 different 74-series chips, an 8051 microcontroller variant, various LEDs, buttons and 7-seg displays.
Business & Finance - Math & Scientific Tools, On March 28, 2008 updated, downloaded 4 times, file size is 1598Kb.