Package Included
- 1 x CD74HC4067 16-Channel Analog Multiplexer Breakout
Description:
- 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).
- It works with both digital and analog signals (the voltage can't be higher than VCC), and the connections function in either direction.
- To control it, connect 4 digital outputs to the chip's address select pins (S0-S3), and send it the binary address of the channel you want
- This allows you to connect up to 16 sensors to your system using only 5 pins!
- Since the mux/demux also works with digital signals, you can use it to pipe TTL-level serial data to or from multiple devices.
- For example, you could use it to connect the TX pins of 16 devices to one RX pin on your microcontroller.
Reference
- http://bit.ly/CD74HC4067-Datasheet
- http://blog.codebender.cc/2014/01/30/mux74hc4067/
Standard: $5.99
Rural: $8.99
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