As promised in the first part of this article, now it is time to see in detail how we can use the Alphanumeric LCD Display in our Arduino sketches. The idea beside this project is to give a simple ...
The most difference to the original LiquidCrystal library from Arduino is that this library supports printf() functionality. When using PlatformIO and AVR, to support float you must add following line ...
One of the limitations of the small 8 bit microcontrollers like the Atmel ATMega family adopted by the Arduino board, is the reduced number of I/O ports. Among the main advantages of these ...
Arduino IDE ライブラリにLiquidCrystal.h をインストールします。 Arduino IDE → ライブラリマネージャー → " LiquidCrystal " で検索 → " LiquidCrystal by Arduino, Adafruit" をインストール /* * LCD表示制御プログラム * 16x2 LCDに「Hello!World?」を表示し、点滅させる */ ...
Arduinoで人気の小型ディスプレイ「OLED」。いざ接続して、よくあるLCDのサンプルコード(LiquidCrystal_I2C.hを使うもの)を書き込んだら、fatal error: LiquidCrystal_I2C.h: No such file or directoryというエラーが出て動かない…。 このエラーメッセージだけを見ると ...