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I/O shield for Arduino based on the MCP23017 chip manufactured by Microchip. It has 8 digital inputs, each of which has a protection diode, a pull-up resistor and a LED; 8 relay outputs with the corresponding LED status .
Communication with the MCP23017 is based on the I²C -Bus , so uses " Wire.h " Arduino libary.
In the shield there is also the possibility of lead (via jumper) the input interrupt pin ( INTB) on two different pins of the Arduino (D2 or D4) to fit as much as possible to the actual use. The address of the I ² C-Bus dell'MCP23017 is selected by dip switch that allows you to connect up to 8 different shield without interfering with each other . The kit includes all the components, PCB and all the small parts .
This project comes in  kit . Some components have to be soldered to the included PCB.
 
 

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I/O expander shield for Arduino

  • Price: 27.90€

  • 5 or more 27.00€
  • 10 or more 25.00€
  • 50 or more 22.00€
  • 100 or more 21.00€

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Tags: io expander shield for arduino, 7100-ft1079k, futura group srl, shield, arduino

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