はじめに ロボカップジュニア レスキューラインでは2個の緑色マーカーを検出する必要があります。 お手頃価格のI2Cカラーセンサー(TCS34725カラーセンサーモジュール)があるのですが、アドレス切替機能がセンサーには無いので2個並べる事ができません。 " Arduino Bootloader 書込済 ATmega328P "を用い ...

これが「割り込み」です。 メインループを止めずに即座に反応できる便利な仕組みです。 LCDで今の状態がわかる！ LiquidCrystal_I2C ライブラリでLCD1602に文字を表示。 動作中、停止中、割り込み停止など、状態を見える化できます。

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 ...

The Arduino ecosystem is an amazing learning tool, but even those of us who love it admit that even the simplified C Arduino ...

Hitachi’s HD44780 based 16×2 character LCD are very cheap and widely available, and is an essential part for any project that displays information. Using the LCD backpack, desired data can be ...

This articles describes how you can use I2C (TWI) communication, Arduino and temperature sensors to measure 3 different temperatures. It can be very ...

In case you missed it, the big news is that a minimal Arduino core is up and working on the ESP32. There’s still lots left to do, but the core functionality — GPIO, UART, SPI, I2C, and … ...