In lots of researches that include a light, light direct exposure is periodic with “on” and “off” durations. Changing might be needed for security factors (transforming the light off while observing the example by eye), to restrict the quantity of transferred power, to change in between various light courses, or to observe a time-dependent action. Continuously transforming the light on or off is commonly as well sluggish (just like halogen lights) or destructive to the resource (just like some mercury lights). Mechanical shutters supply a practical course to regulate the direct exposure home window by putting a mechanical block right into the light course.
发布者：Mathias S. Fischer Martin C. Fischer，转转请注明出处：https://robotalks.cn/cost-effective-open-source-light-shutters-with-arduino-control/
