I am working on a timer project with 3 input buttons. I have a working prototype for the input buttons on a breadboard and I'm trying to get it onto perf board to free up my breadboard for future projects. on my bread board i have my positive bus connected to 3.3v ground bus to ground, from the p…

tactile button input -- Solved

CrossRoads May 4, 2014, 3:57am 4

Your description is not PullDown; you have external pullup resistors, and buttons that can connect a pin to Gnd when pressed.

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