* [[https://www.best-microcontroller-projects.com/easy_switch_debounce.html|开关去抖动]]
  * [[https://www.best-microcontroller-projects.com/arduino-toggle-switch.html|结合Arduino和按钮，轻松制作切换开关]]
  * [[https://www.best-microcontroller-projects.com/arduino-joystick.html|Arduino 操纵杆 - 轻松查找和校准操纵杆的位置]]
  * [[https://www.best-microcontroller-projects.com/charlieplexing.html|Charlieplexing：Arduino Interface Hardware]]
  * [[https://www.best-microcontroller-projects.com/logic-level-converter.html|逻辑电平转换器]]
  * [[https://www.best-microcontroller-projects.com/rotary-encoder.html|旋转编码器：Arduino接口硬件]]
  * [[https://www.best-microcontroller-projects.com/i2c-tutorial.html|I2C 串行接口协议]]
  * [[https://www.best-microcontroller-projects.com/spi-interface.html|SPI 串行接口协议]]