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README.md

PCF8574 LCD library: https://github.com/dhalbert/CircuitPython_LCD To install, clone the repo or download it, then copy the lcd/ folder to the lib/ folder on the ...
note

Series Part 2: [I2C Blackout] The 3 Major Blind Spots When LCD1602 or Peripherals Don't Display or Are Not Recognized on Raspberry Pi Pico

The phenomenon where you connect an I2C device, such as an LCD1602 display (with an I2C backpack) or an I/O expander (MCP23017), to a Raspberry Pi Pico (RP2040) and upload what appears to be perfect ...