Mcp23017 Port Expander And Esphome: Add More I/O Pins To Your Project

MCP23017 Port Expander and ESPHome: Add More I/O Pins to Your Project

Adding I/O with MCP23017 - Collin’s Lab Notes #adafruit #collinslabnotes

Adafruit Industries

Arduino Best expander Input/Output | GPIO Expansion module | MCP23017, MCP23S17

esp8266 - need more i/o pins ?!?! ... watch this !

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JP’s Product Pick of the Week 2/22/22 MCP23017 16 IO Expander RECAP @adafruit @johnedgarpark

Adafruit Industries

Not enough Arduino Pins? Try this I2C Port Expander! | Chip Tips #1: PCF8574

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Average Automation

Part 2 - How to Expand Tasmota/Sonoff Devices with the I2C Protocol - MCP23017 GPIO Expansion - I²C

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Adafruit Industries

ATMega32 TWI interfaces to MCP23017 I2C I O expanding