Team:SJTU-BioX-Shanghai/Project/Software
From 2013.igem.org
(Difference between revisions)
(→Programme) |
(→What is in MCU) |
||
Line 46: | Line 46: | ||
===What is in MCU=== | ===What is in MCU=== | ||
- | MCU part is a special part in our project, we want hide it from users. But for the persuasion of the whole project, we will expain the details.[ | + | MCU part is a special part in our project, we want hide it from users. But for the persuasion of the whole project, we will expain the details.[https://2013.igem.org/Team:SJTU-BioX-Shanghai/Project/Luminous_device/Device#The_Heart-MCU '''see also device'''] |
[[image:13SJTU_MCU.jpg|600px|right]] | [[image:13SJTU_MCU.jpg|600px|right]] | ||
MCU use '''PWM(Pulse-width modulation)''' theory to control the light intensity of each LED. The main advantage of PWM is that power loss in the switching devices is very low. When a switch is off there is practically no current, and when it is on, there is almost no voltage drop across the switch. Power loss, being the product of voltage and current, is thus in both cases close to zero. PWM also works well with digital controls, which, because of their on/off nature, can easily set the needed duty cycle. | MCU use '''PWM(Pulse-width modulation)''' theory to control the light intensity of each LED. The main advantage of PWM is that power loss in the switching devices is very low. When a switch is off there is practically no current, and when it is on, there is almost no voltage drop across the switch. Power loss, being the product of voltage and current, is thus in both cases close to zero. PWM also works well with digital controls, which, because of their on/off nature, can easily set the needed duty cycle. |
Revision as of 02:29, 29 October 2013