Library for PCF8574 Breakout Board by Testato on ArduinoForum, based on code from Mario H. You can see in the picture I2C_LCD_Breakoutboard.jpg the board compatible with this library. Without solder ...
Total mastery over the pinout and functionality of the PCA9306 for conversion of logic levels from 5V to 3.3V. A step-by-step interfacing diagram for the PCA9306 to Arduino UNO. Working example with ...
2025-07-03: v2.0.0 - jm_LCM2004A_I2C is now inherited from Stream Arduino class. Now it's possible to read the screen and realize function like PrintScreen. Also, the I2C bus can now be freely ...