The REBL_UI offers a simple way to build a user interface with a Rotary Encoder, a Button, and an LCD. Currently it is set up for 16x2 LCD, but could easily be changed to whatever. It includes a very ...

Arduino_I2C_ReadEncoder I2C implementation: Arduino Due serving as master receiver and Arduino Uno as slave transmitter (encoder reader).

DISPLAY LCD 4 x 20 command TWI (I²C compatible) INTRODUCTION: We all know how the free pins microcontrollers are precious. The use of an LCD display in our projects is often unavoidable. In the best ...

Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...