The article is a tutorial on how to control 16 relay through Arduino microcontroller with Ethernet shield W5100.

Code to control via network (via UDP protocol) a relay connected to an Arduino Uno, which mounts an ethernet shield. Here you can find the code and the connection scheme. **I tested the code with an ...

Components Used:- Arduino Board,LDR Sensor,Relay Module,Connecting Wires,Power Supply,LED or Electrical Load (optional) Working Principle:- 1.LDR Sensing: The LDR sensor detects the light intensity ...

Learn how to build an RFID door lock system using Arduino for secure and smart access control. This step-by-step guide covers circuit connections, coding, and hardware setup to create an automated ...

Here is the circuit of an Arduino-based Panic Alarm! The wiring is very simple so that even a novice can construct this interesting circuit without any difficulty. Arduino is a family of ...