搜索 - 科创

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虎哥救命～- 向心性摆放明白了，虽然不清楚原理。明天查。- 阻焊，的确没考虑到现实情况。这点重画时注意。- 俩电感：迷糊。是不是使用频率必须低于自谐振频率（有的说是，有的说不是，得找点靠谱的来源）？若...

Arduino只实现这点功能是不是大材小用了😂建议：加个BMP280测测气压，加个MPU6050+卡尔曼滤波获得仰角开伞顺便测一下加速度，加个SD模块保存数据，就可以估计射高，也就多十几块钱，占不了...

写着完结实质上还远的项目是屑。。。使用示波器看VCO的调谐段，发现了这个。。。（蓝色是PLL给出的脉冲同步）。频谱有问题（指的是低于预想频率的输出，Marker R左边，示波器上的“振铃”？）。尚不清...

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