Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and ...

This DIY gas leakage detector is designed for educational and basic monitoring purposes. For critical safety applications, ...

This way, you can start learning even without the components on hand ... create one to show the project's schematic diagram. Other than Arduino, Wokwi also features popular platforms like Pi ...

While they function as normal digital pins that can switch a component either ... check out its pinout diagram documentation (found on the board's Arduino Store page). PWM pins in the diagram ...

Arduino forum member Romano d'Ezzelino wanted to make things a little easier, so they designed a simple pinout sheet to track where all the power goes. The pinout diagrams are simple, but they're ...

Wyatt]’s CPUVolt library provides a fast way to measure voltage using no external components, and no I/O pin. It only applies to certain microcontrollers, but he provides example Arduino code ...

Check out this Arduino-based electronic component tester. The device is intended to give a simple way to test transistors, resistors, capacitors, diodes and MOSFETs, and such like. The Arduino tester ...