how to use the MQTT for farther development?or do have a good example for IQ sample?

Hi,

It is difficult to give more information without knowing more about your project.

What SoC or SiP are you using? nRF52 series? nRF53 series? nRF91 series?

What MQTT API are you referring to?

Regards,
Terje

I use the example of DF.It is direction_finding_connectionless.I have get the IQ sample.Now I want to transmit the IQ sample to MQTT.The MQTT is refered to https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/connectivity/networking/api/mqtt.html.

can you help me?Thanks.

Hi,

Direction finding is a Bluetooth technology (for SoCs in the nRF52 and nRF53 sereis) while MQTT is based on cellular (for SiPs in the nRF91 series). What devices (nRF52, nRF91) are you working with, and what DK?

Regards,
Terje

Thanks for your advice.I use the nrf52 or nrf53 series boards for my development.I am sorry that i am not similar with the MQTT of new board.I see that you said that only nrf91 series can be used for MQTT.if i want to use MQTT,or do i can use the other API of MQTT to get the IQ sample？

Hi,

I think there is some misunderstanding here. MQTT is a protocol for machine to machine communication. It is for communicating data from one machine or device to a different machine or device. Is that what you are trying to achieve here, and if so what is that other device?

Or are you only trying to get the IQ data in the first place, and use it on the same device (not sending it somewhere else)?

Regards,
Terje

Hi,

I think there is some misunderstanding here. MQTT is a protocol for machine to machine communication. It is for communicating data from one machine or device to a different machine or device. Is that what you are trying to achieve here, and if so what is that other device?

Or are you only trying to get the IQ data in the first place, and use it on the same device (not sending it somewhere else)?

Regards,
Terje

yes,the MQTT protecol is used to build the link with both machines or in IoT development.i want to get the IQ sample for real time.i see it in silab company.because when you want to get the next angle, you should update the IQ samples.so i say that my MQTT is used in IoT decelopment.

Hi,

What device are you sending data from, and on what device are you receiving data?

Regards,
Terje

i want to get IQ sample from my board of Tx，them i send the IQ sample to my caculation  procedure to get the angle.

Hi,

For getting IQ samples, you must use one of the SoCs as listed on our Bluetooth Direction Finding page.

We have four direction finding examples in the nRF Connect SDK:

• Direction finding central
• Direction finding connectionless locator
• Direction finding connectionless beacon
• Direction finding peripheral

These examples use IQ samples.

Regards,
Terje