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想製作 1.5v~2v 放大成0v~3v的放大電路

因為MCU解析度關係([0V~3v  ->  10bit解析),欲拿來偵測 1.5v~2v的Sensor訊號,希望盡可能利用MCU的所有解析度,所以希望將1.5v~2v的訊號進可能放大。

目標 - 1.5v~3v  又或者 0~3v更好。 

以上請各位前輩建議作法。感謝。