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基于ESP8266做一个带有RGB效果,兼温度监测的迷你时钟
用NodeMCU显示时间,用Arduino监测温度;可以选择在每秒钟改变显示的颜色。 迷你LED的额定电压是3.0V到5.5V,16mA(每个LED)。 我们的NodeMCU有3.3V的稳压器,可以正常驱动所有的LED。 第2步:LED WS2812B 3030 这里使用了WS2812 NeoPixel Led,它带有集成的IC,这样我们就可以对 ...
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