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Monthly Archives: April 2017
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April 22, 2017
The image is mainly about the difference between the work principle of WS2812 and WS2813 LED strip. The most obvious difference is: when the led one of the WS2812 was broken, it will affect the other led working, but the WS2813 will not appear above situation.
If you don’t know the WS2812 or WS2813, please allow me to introduce them to you.
Generally speaking, WS2812 has two versions: WS2812 and WS2812B. WS2812B is an upgraded version of WS2812. They are an integrating control circuit and the intelligent external control LED source of the light-emitting circuit, which looks similar to the 5050LED. It internal included intelligent digital port data latch and signal reshaping amplification drive circuit. Also include a precision internal
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April 13, 2017Finger Spinner is known as Hand Spinner，which working principle is similar to the old version that adopts the symmetrical bearing construction. It’s a funny toy that can spin in the finger without other component in some time. From 2016, Finger Spinner began popular in NA. At the same time, it had got highly attention in the NS Moments and its click rate was over one hundred million in the youtube. According the psychiatrist’s survey, Finger Spinner not only help people who have fidgeting issues but also play an important part in the way that cultivate the attention of ADHD. Besides, it also had collection value according their material and shape or spin effects. Next, we will introduce the most popular Hand-made Finger Spinner.