HC-12 AT Commands - Set up for Long Range with Arduino
DIY TECH BROS DIY TECH BROS
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 Published On Mar 1, 2019

This video show you how to connect your HC-12 module to and Arduino UNO and changing the set up using the Serial Monitor.

We will take a look at how to change the Transmit power (dBm), channel, baud rate and mode. This will influence the range. I'll also show you how to see the current settings of a module and how to put it back in default mode. FU4 mode and FU3 mode is best for long range.

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See our HC-12 range test:    • 2 KM SUCCESS STORY with HC-12 - going...  

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Link to code:
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