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电子工程专辑
5 年
【安装包】MPLAB_IDE_8_90(使用KIT3安装这个).zip
一个4寸480*800 的液晶屏使用了一个8并的LED作为背光,手册上单灯的电流为20mA,总计160mA,导通压降为3V。需要注意如果背光超出许可电流点亮,时间长了会因为LED光衰变暗。最终无法显示。所以工作电流设置准确非常关键。既要保证亮度足够,同时不要超过许可 ...
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