Arduino LCD I2C: Difference between revisions
From wikiluntti
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== Introduction == | == Introduction == | ||
Hitachi HD44780 LCD controller?? | |||
Potentiometer at the back side. Screw that to get the figures on screen. | |||
== Wiring and connecting == | == Wiring and connecting == | ||
Revision as of 15:12, 3 December 2025
Introduction
Hitachi HD44780 LCD controller??
Potentiometer at the back side. Screw that to get the figures on screen.
Wiring and connecting
Arduino Uno:
| LCD I2C | Arduino Uno |
|---|---|
| Vin | 5V |
| GND | GND |
| SDA | A4 |
| SCL | A5 |
Libraries
Liquid_Crystal_i2c by Frank de Brabander 1.12 works.
Check the address: Examples -> Wire -> I2C_scanner.
