Hello, I intend to use this ic, pcf8593, as an event counter for arduino (the specific reasons do not seem to me relevant to the question). Before doing the actual thing, I tried to detect the ic i2c addres with a standard "i2c scan" code for ardunio, but neither my arduinos can detect the ic. I …

Connections between pcf8593 and arduino

Chineloso70 May 18, 2019, 3:18pm 3

Turns out reset pin needs a low pulse at start

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