If you happen to be in the market for a small artificial sun, you may be interested to know that for about $1300, you can get a tennis-ball-sized LED array that outputs 120,000 lumens.

At first glance, it may look like [Rybitski]’s 7-segment RGB LED clock is something that’s been done before, but look past the beautiful mounting. It’s not just stylishly framed; ...

Abstract: In order to solve the problem of monotone display and poor stereoscopic performance of two-dimensional LED display screen, using STC89C52RC single chip microcomputer as the core, using latch ...

This library does not measure the frequency. That should be done with an interrupt function (user code). The library provides functions to calculate the radiation and has functions to compensate e.g.

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Abstract: This paper focus on the idea of automatic lightning system and peculiar way of implementation with embedded tool systems. The proposed method is used to measure and control the intensity of ...