I'm attempting to make a controller for a DSP processor that wants to see it's preset selection pins pulled low. FWIW, they are pulled up to 5V by 100k resistors. My sketch uses one button to select between the 8 presets and another button to toggle between the selected preset and preset #1 which i…

// Delay a little bit to avoid bouncing delay(200); } Try moving that } to the bottom of loop().

High voltage drop on Nano outputs caused by sketch

jremington June 19, 2025, 5:54pm 6

Which "Nano"? There are around six of them.

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