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This is a retired product. There is an updated version available: DEV-11723
Description: Replacement:DEV-11723. This shield has been replaced by the Mux Shield II. This page is for reference only.
If you need a lot of inputs and/or outputs, this is your solution! The Mux (Multiplexer) Shield adds the capacity for up to 48 inputs or outputs on the Arduino and Arduino Mega. Using three Texas Instruments CD74HC4067 Analog Multiplexers, the Mux Shield makes it possible to have 48 analog/digital inputs or digital outputs in many configurations.
The Mux Shield comes with stackable headers installed and ready to plug into your Arduino!
Note: Apparently the stackable headers don’t quite “stack up” enough to isolate the USB port from the bottom of this shield if you’re using it with an Uno or similar board. We suggest putting some tape on top of the USB port or adding another set of stackable headers to protect against a short.
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