Makers and developers that enjoy creating projects using the Arduino platform may be interested in a new shield for Arduino that incorporates an LCD JEMshield++, keypad and enclosure all in one. JEM ...

Arduino 團購中買了 DFRobot LCD Keypad Shield, 取貨後即試玩. 但沒有跟原理圖, 只好上網找. DFRobot website 只說 LCD 用了 digital PIN 4, 5, 6 ...