Welcome to the Basic Arduino Projects repository! This project contains a collection of beginner-friendly Arduino circuits simulated using Tinkercad Circuits ... DIY Calculator using a 4x4 Keypad and ...

Now, we gonna start first with GND and VCC. Connect the GND and VCC pin of this module to the GND and VCC of Arduino Uno. Let's connect the SPI pins. Keep in mind that SPI pins are different in ...

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Once the system is powered on, the LCD prompts for a password, which must be entered through the Serial Monitor. Upon successful authentication, the user can issue commands like SET LIMIT 80 to set a ...