Hi @kowshik1729 ,

Could you please specify what problem you are facing while using UART in KL25Z? it will be more helpful to understand your situation. also, try to attach some useful error log.

Our board is not cheapest possible, but has lots of things already onboard.
ULX3S
Board is also supported by opensource toolchain!
For workshop material with our board you can check here:
Workshop
Price for 12F board is 75€ plus shipping.
If you like it you can contact me at:
ulx3s.fpga@gmail.com

@kowshik1729 thank you, for the suggestion. Its informative. 👍🏼

@kowshik1729 Thank you ..

Hi @kowshik1729,

This is an interesting question, Traditionally we are using mixers, filters, amplifiers, modulators/demodulators, detectors, etc to build a radio communication system and it's tightly coupled with hardware. And there are many types of frequency modulation like FM, AM, FSK, LoRa etc.

Capture.JPG

(Source : https://en.wikipedia.org/wiki/Radio)

To generate a different band we need to use a specific combination of mixers, filters, amplifiers, modulators/demodulator, also most of the scenario we only use a specific frequency to communicate in cost-efficient ways like 2.4 GHz for WiFi and Bluetooth but we use different modulations like GFSK in BT Classic and DSSS, FHSS in IEEE802.11 etc. And building many different combinations of mixers, filters, amplifiers are not cost-effective and economic.But using the SDR (Software Defines Radio ) we can achieve this,

A basic SDR system may consist of a personal computer equipped with a sound card, or other analogue-to-digital converter, preceded by some form of RF front end. Significant amounts of signal processing are handed over to the general-purpose processor, rather than being done in special-purpose hardware (electronic circuits). Such a design produces a radio which can receive and transmit widely different radio protocols (sometimes referred to as waveforms) based solely on the software used. (Source: https://en.wikipedia.org/wiki/Software-defined_radio)

So as an answer to your question, yes we can generate radio frequency but it's high cost and not economical, also with the help of the SDR system we can solve the issues.

Resource :

You can also try SDR via online using https://eshail.batc.org.uk/nb/ , it was hosted at Goonhilly Earth Station in Cornwall, England.

@Geethesh I was talking about this sensor.👇
Sharp GP2Y0A21YK0F

@kowshik1729 thanks bro

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Problem no longer exists.Thankyou