Adafruit on Electronics Lifehack!

Adafruit on Electronics Lifehack! https://electwork.net/en/tags/adafruit/ Recent content in Adafruit on Electronics Lifehack! Electronics Lifehack! https://electwork.net/images/ogp-default.jpg?v=3 https://electwork.net/images/ogp-default.jpg?v=3 Hugo -- gohugo.io en Thu, 30 Sep 2021 00:00:00 +0900 MCP23017 with ESP32: I2C Address Setup and 16 GPIO Pins https://electwork.net/en/posts/esp32-mcp23017/ Thu, 30 Sep 2021 00:00:00 +0900 https://electwork.net/en/posts/esp32-mcp23017/ How to use the MCP23017 I/O expander with an ESP32: pin assignments, I2C address selection with A0–A2, a schematic with 8 LEDs and 3 switches, and Adafruit_MCP23X17 sample code. Up to 8 devices, 128 pins.