@codelery Awesome. That's great news. Kudos to @rafitc99 .

@codelery Please keep us updated about your project, looking forward to seeing it in action 🤩

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@rafitc99 I changed the buffer and that solved the problem. Thanks a lot for coming to my rescue.

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@salmanfaris I did change the buffer size and everything is working perfectly. Thanks coming to my rescue.

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@codelery said in Help needed: Arduino Wireless Notice Board project:

I am using the hardware serial (pin 0 and 1 on Arduino Uno)

As @rafitc99 mentioned, you need to expand the Serila buffer, in the hardware serial also the Arduino board package implements a 64-byte ring buffer for send and receive on the hardware serial messages. So you need to change that to 256 as per your message length.

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@rafitc99 The thing is that I am not using the SoftwareSerial library in receiving the message from the first microcontroller. I am using the hardware serial (pin 0 and 1 on Arduino Uno)

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Relay flickering while connecting arduino