Interface circuit allows users to control dc motor's speed

Interface circuit allows users to control dc motor's speed

The integer variable "choice" in the program listing stores the selection case of the user. Based on the value of this variable, the necessary digital sequence is stored at the integer variable "data." The function "outportb()" places the suitable digital signal at the...

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Veröffentlicht in:Electronic Design 2009-10, Vol.57 (20), p.58-58
1. Verfasser: Raie, Firas M. Ali Al
Format: Magazinearticle
Sprache:eng
Schlagworte:
Controllers
Design engineering
Electric currents
Electrical engineering
Integrated circuits
Semiconductor chips
Transistors
Velocity
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Zusammenfassung:The integer variable "choice" in the program listing stores the selection case of the user. Based on the value of this variable, the necessary digital sequence is stored at the integer variable "data." The function "outportb()" places the suitable digital signal at the data lines of the PC's parallel port, which is identified through its address. (The program is available at http://electronicdesign.com.)
ISSN:0013-4872
1944-9550