i had a similar problem, and i solved it by swapping two of the wires going from the 4051 to the digital inputs on the Arduini board. Unfortunately i cant remember which two it was. But give it a try.
i had a similar problem, and i solved it by swapping two of the wires going from the 4051 to the digital inputs on the Arduini board. Unfortunately i cant remember which two it was. But give it a try.