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 GND to the ground rail. For the data connections, wire SDA to Pin 10, SCK ...

This Arduino Uno-powered project is ... need an I2C module to convert your LCD into an I2C device (so it uses fewer pins), a motor driver for your fan, a breadboard to hold the components together ...

To display the caller’s information, [Dilshan] is using an Arduino Uno and common 16×2 HD44780 LCD. As a nice touch ... the hardware or ditch the breadboard, but it’s not hard to imagine ...

The upper range of the LCD’s input voltage is 3.3V, and these added parts make it possible to drive the device using 5V hardware like the Arduino Uno pictured above. While he was adding in parts ...

Reduce the headache of managing students’ messy wires flying around microcontroller board and breadboard during class. – Enhance the current design (Arduino UNO) for native USB development ...