Hello Murtadha, Not much has changed since your past inquiries: e2e.ti.com/.../468314 forums.adafruit.com/viewtopic.php Code requests such as these are usually left unanswered, it is not often that someone jumps into a thread and provides the exact code example for the MCU + end device that is being specified. You would be better off with Google searches for already-existent materials. As mentioned previously, you will need to utilize the UART code examples and build up your application from there. Regards, Ryan
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