This projects build a LED light source for a photographic enlargers. All content is free to be used for non-commercial purposes. Any LED power setting can be used from 16 LED (small 35mm direct light ...
Abstract: Contribution: This study identifies the types of interaction that contribute to student learning with student-led tutorials (SLTs). The quality of these interactions include peer discussion, ...
Display live hockey and basketball game scores, future start times, standings, etc. on an LED matrix driven by a Raspberry Pi. Hardware requirements, installation ...
Abstract: As the activeness of most species and plants depends on illumination and brightness of the Sun, sun cells a efficient during day. Moreover, the solar arrays cost less if they operate at ...
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