Arduino MCP23008 IO Expander circuit in proteus

Arduino MCP23008 IO Expander circuit in proteus

Arduino MCP23008 IO Expander circuit. proteus simulation
Arduino MCP23008 IO Expander circuit diagram

Arduino MCP23008 IO Expander circuit in proteus

In this article we will learn how to Interface Arduino MCP23008 IO Expander circuit in proteus.
In the last post we will learn how to Interface Arduino MCP4921 12bit DAC Circuit in proteus. You can visit our website,
I hope you appreciate my work, let’s discuss about today’s project.

 

 

 

Components:

  1. Arduino (328)
  2. IC (MCP23008)
  3. Connector
  4. Resistors
  5. LED
  6. Push button
  7. Jumper wires

Construction…

  • Connect pin 1 of IC MCP23008 with D19 pin of Arduino
  • Connect pin 2 of IC with D18 pin of Arduino
  • Connect pin 6 of IC with RESET pin of Arduino
  • Connect A0, A1, A2 pins of IC with GND
  • Connect VCC pin of Arduino with +5V
  • Connect one side of resistor with +5V
  • Connect 2nd side of resistor with one side of push button and then connect them with Reset
  • Connect 2nd side of push button with –ve side of LED and then connect them with GND
  • Connect +ve side of LED with one side of resistor
  • Connect 2nd side of resistor with D13 pin of Arduino
Arduino MCP23008 IO Expander circuit in proteus
Arduino MCP23008 IO Expander circuit diagram

Working…

The Arduino MCP23008 IO Expander is a popular integrated circuit (IC) that allows you to add additional digital input and output pins to your Arduino or other microcontroller projects. It provides a simple way to expand the number of GPIO pins available to you.

Applications…

  1. Keypad Interfaces
  2. LED Displays
  3. Relay Control
  4. Digital Sensors
  5. Automotive Applications

Advantages…

  1. Simplicity
  2. Space Efficiency
  3. Compatibility
  4. I2C Communication
  5. Low Power Consumption