The last part showed how to use a HD44780 display directly. But that display came with a I2C adapter which I did not use on purpose. Now I want to use it to save wires I have to connect to my ...
Arduino library for the I2C LCD display, typical 20x4 characters. The library is inspired by the excellent New-LiquidCrystal library by F. Malpartida. Therefore the interface is kept quite identical, ...
前回まででGPIOを使って幾つか実験をしてきました: 最初LチカでGPIOの使い方をざーっと体験し、次に物理ボタンの押し下げでLEDを明滅させて外部入力に対する反応も体験しました。 ボタンを押し下げたらLEDが光るというのは一つの信号ではありますが、欲 ...
ラズパイ2台分なのが都合がよかったのでこちらを選択。I2C接続で使用。 販売ページにリファレンスもあるのでそのままで ...
The I2C (Inter-Integrated Circuit) bus is a synchronous serial communication protocol that allows multiple electronic components (sensors, displays, memories, etc.) to be connected within the same ...
Use an ATtiny85 to display sensor values on an I2C LCD (equiped with PCF8574): GY21P (Si7021+SHT21) I2C sensor, temperature and relative humidity DS18b20 Dallas sensor, one wire, temperature I had ...