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數字電位器 - 10K
原名
Digital Potentiometer - 10K
貨號
COM-10613
特價
50
資料來源：https://www.sparkfun.com/products/10613
Potentiometers are incredibly useful, whether you’re controlling the volume on your stereo or the ‘mood lighting’ in your room. The problem with traditional potentiometers is the fact that your microcontroller doesn’t have an easy way to interface with them. Digital Potentiometers solve that problem by allowing you to control a voltage splitter with digital signals.
Wire it up just like a potentiometer and use serial signals to ‘turn the knob.’ Another handy feature of digital potentiometers is that because they aren’t controlled mechanically, they don’t have a pre-determined sweep profile.In other words, depending on the way you write your code the potentiometer can ‘sweep’ in a linear fashion, a logarithmic fashion, or according to any other profile you like. Digital potentiometers can also be used in conjunction with rotary encoders to consolidate large banks of potentiometers into one ‘smart’ rotary control.
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電位器是非常有用的，無論你是在控制你的音響或在你的房間了“情調照明”的體積。與傳統的電位器的問題是事實，你的微控制器不跟他們對接的簡單方法。數字電位器允許您控制與數字信號的電壓分路器解決這個問題。
電線它就像一個電位器，並使用串行信號轉換為“轉動旋鈕。”數字電位器的另一個方便的特點是，因為他們沒有機械控制的，他們沒有預先決定的掃描profile.In換句話說，這取決於你的方式編寫代碼電位器可以'掃'以線性方式，對數的方式，或者按照你喜歡的任何其他個人資料。數字電位器也可與旋轉編碼器一起使用，以電位器的大型銀行合併到一個“聰明”的旋轉控制。
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