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。
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