Este projeto contém dois exemplos de código Arduino que usam um teclado matricial 4x4 e um display LCD 16x2 para mostrar as teclas pressionadas. O primeiro exemplo usa a biblioteca LiquidCrystal e o ...

Note: Most "generic" STM32F103 boards only have a reset button, and not a user / test button. So the bootloader code always configures the Button input pin as PullDown. Hence, if a button is not ...

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.

In an era where homeowners frequently leave for work or education, robust security for residences is imperative. Traditional security measures, including window and door locks, present challenges such ...