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Cd74Hc4067 Analog / Digital Mux Breakout For Arduino

Description: This is a breakout board for the very handy 16-Channel Analog / Digital Multiplexer / Demultiplexer CD74HC4067

USD 3.97

In stock

By using multiple boards, you can create similar arrangements for I2C, SPI, etc. br / br / The internal switches are bidirectional, support voltages between ground and VCC, have low ldquo on rdquo resistance and low ldquo off rdquo leakage, and to prevent crosstalk, perform ldquo break-before-make rdquo switching

For example, you could use it to connect the TX pins of 16 devices to one RX pin on your microcontroller

If you want two-way communications, you can add a second board to route your microcontroller rsquo s TX line to 16 device rsquo s RX lines

It works with both digital and analog signals the voltage can rsquo t be higher than VCC , and the connections function in either direction

The board also breaks out the chip rsquo s ldquo enable rdquo pin, which when driven high, will completely disconnect the common pin all switches ldquo off rdquo . br / br / Features br / br / 2V to 6V operation br / br / ldquo On rdquo resistance 70 Ohms 4.5V br / br / 6ns break-before-make 4.5V br / br / Wide operating temperature range -55 39 C to 125 39 C br/ br

This allows you to connect up to 16 sensors to your system using only 5 pins! br / br / Since the mux/demux also works with digital signals, you can use it to pipe TTL-level serial data to or from multiple devices

This chip is like a rotary switch - it internally routes the common pin COM in the schematic, SIG on the board to one of 16 channel pins CHANxx

To control it, connect 4 digital outputs to the chip rsquo s address select pins S0-S3 , and send it the binary address of the channel you want see the datasheet for details

You can then select any one of those 16 devices to listen to

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