SIM800L is not working after disconnecting with PC
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@rafitc99 When powering SIM800L through DC-DC buck alone it's sending a message right?
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@salmanfaris When connecting with PC. It will work well.
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@rafitc99 when powering with the LM2596 it's not sending message text right? but sending blank SMS right?
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@salmanfaris Yes.
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Ok, then you need to check the LM2596 output current and voltage!
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Thank-you @salmanfaris
It's solved.
Actually, It was my mistake. I didn't add a proper reset for MCU.
Recent Posts
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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.
