MCP23017 Port Expander with ESPHome - Adding I/O Pins to ESP Projects

MCP23017 Port Expander with ESPHome - Adding I/O Pins to ESP Projects

ResinChem Tech via YouTube Direct link

Testing the Final Clock Build

11 of 12

11 of 12

Testing the Final Clock Build

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MCP23017 Port Expander with ESPHome - Adding I/O Pins to ESP Projects

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  1. 1 Intro
  2. 2 ESP and MCP23017 Overview
  3. 3 Pinout and Limitations
  4. 4 ESPHome Component Mapping
  5. 5 Basic Bench Test
  6. 6 ESPHome Bench Test Config
  7. 7 Multiple expander wiring and ESPHome Config
  8. 8 A Crazy Clock Example with 75 I/O Pins
  9. 9 Building the Clock Face
  10. 10 Building the Clock Controller
  11. 11 Testing the Final Clock Build
  12. 12 Wrap Up And Other Ideas

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