@sterretje. It would be an input to the logic gates, the other inputs coming from the 23s17..Hello, i saw this post regarding the above mentioned topic and was ...

2026年5月21日 - #include MCP23S17.h MCP23S17 MCP(10); void setup() { Serial.begin(115200); Serial.println(); Serial.print( MCP23S17_LIB_VERSION: ); Serial.p...

I was really hoping , and per guide I read to use these MCP23S17-E which could do auto pull up, and avoid the extra soldering and complexity of the resitor. Alt...

I think you should read the data sheet for the MCP23S17 and get your head around how it works. Although it has bee explained. See post#55 We are at post#62now a...

that will use a grid of 24x24 Hall Effect sensors. A3144 To do this I will need to use multiplexing and one option to avoid solder and labor of 10k ohm resitors...

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