STEP board push button x 4 Home › Forums › STEP MXO2 Development Board › STEP board push button x 4 Tagged: Push Buttons This topic contains 1 reply, has 1 voice, and was last updated by steven 2 years, 5 months ago. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 2018年11月15日 at am8:46 #101 stevenParticipant when pressing down the buttons, what logic level or voltage they send out to the connected pins of MXO2? which are these information documented ? thanks! 2018年11月15日 at am10:54 #104 stevenParticipant got the infor from “STEP-MXO2 V2 software manual” that when the push-button (KEY1 to KEY4) is left unpressed, it gives logic HIGH. And when it is being pressed and held down, it provides a LOW signal. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic.