CD74HC4067 16-Channel Analog Multiplexer – Complete Guide

The CD74HC4067 16-channel analog multiplexer module solves the opposite problem of an I/O expander: instead of adding digital pins, it lets you read 16 analog signals through a single ADC pin. The module is based on the CD74HC4067 from Texas Instruments and is one of the cheapest and simplest ways to connect a whole array of sensors, potentiometers or buttons to a […]