資料來源:https://www.sparkfun.com/products/9998
Knobs are a great way to finish off your project and make it easier to adjust the level of your death ray. This knob mates to a 0.25" shaft with a set screw.
Features:
旋鈕都玩完您的項目,並使其更容易調整你的死亡射線水平的好方法。這個旋鈕隊友用固定螺絲0.25“軸。
外形尺寸: