Hi, I'm building a foot controller to select presets on a DSP based audio processor. The interface is quite simple; pull a pin low to select that preset. The manufacturer even provides +5VDC and ground for powering external circuitry. My first sketch just interlocked 3 buttons; press one button an…

[image] machambers: Are you suggesting that I use true and false instead of high and low? No. I am suggesting that you use if (digitalRead(button1) == LOW && digitalRead(led1) == HIGH) The value of led1 is never going to change. It will always be 5 in your code but the state of pin 5 may …

Interlocked buttons with clear troubleshooting

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machambers September 13, 2021, 10:17am 4

Are you suggesting that I use true and false instead of high and low?
I'll give it a try.
Thanks

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Interlocked buttons with clear troubleshooting

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