Complete Arduino Code and Demonstration Video is given at the end of this project. Here, we are defining the Pins for Relay, LED and LDR. #define relay 10 int LED ... All we have to do is connect a ...

Download "sms_call_gate.ino" Sketch from the repository and Upload it to Arduino ... code open the serial monitor , set the baudrate to 9600. It will help you to see the response of module on sms and ...

If you have made some Arduino project with Relay Modules ... OUTPUT); Scattered Code Example 2: You should know logic type of the Relay Module. "When a relay is activated?" question will give the ...

Below is the Arduino Code which we have used to demonstrate this Relay module: #define rly1 8 #define rly2 9 #define rly3 10 #define rly4 11 void setup() { pinMode(rly1, OUTPUT); pinMode(rly2, OUTPUT) ...

The proposed system is implemented using a GSM shield module on microcontroller (Arduino®) together with LDR sensor and relay. Existing metering system can be minutely modified to implement the ...

LilyGo T-Relay-8 is an ... and a separate 8-relay “Arduino” module, and also integrates optocouplers for improved safety. The board can be programmed with the Arduino IDE or PlatformIO, and LilyGo ...

The proposed system is implemented using a GSM shield module on microcontroller (Arduino®) together with LDR sensor and relay. Existing metering system can be minutely modified to implement the ...