Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
Hello, I have an eval board of " nPM1100-EK -> PCA10123 0.8.0 " battery of li-po 3.7v 600mah battery termination voltage is 4.2V The above eval board works fine & the battery...
Greetings,
I'm trying to migrate the MAKEFILE configuration to SEGGER studio so that I could build and debug the project from there. So far, I'm stuck on the Linking part...
We are currently working on a Zigbee-based network coordinator using the nRF52840. I have a function, dfu_multi_image_write , that writes data to NVS in chunks. The function...
The Power Profiler app v4.2.0 release notes say:
"Updated PPK2 firmware to v1.2.0, which adds COM port for shell access"
Are there any instructions available how to use...
Hi,
My application is running NCS v2.5.3 on a nRF5340.
My project has FOTA via BLE, is running mcuboot, and is a multi-image build. I am trying to verify, from within...
Hello, I am trying to subscribe on a topic to get retained message.
I am using ncs 2.7.0
The problem is that whenever I am trying to subscribe to a certain topic, I have...
Dear all,
For a project we need to synchronize up to 5 data loggers, each of them is based on nRF52840. The sampling rate of some sensors can be of 1 kHz. I'm wondering...
Hi All,
I am lookging for a way to use the nRF7002 (or other 2.4 GHZ WifI solution) as a WiFi sniffer.
I want the solution to provide, for each WiFi packets in the previously...
my nRF52840 has MBR, SoftDevice, Application and Bootloader.
Can Bootloader call API in SD?
Will it be an issue? If I need to upgrade SD (could be a newer version),...
Hi there,
In Zephyr 3.6.99 I see a promisive function to make sure that the logging buffer is flushed at a certain moment of time: log_output_flush . It is using a pointer...
I am trying to use the following example, hci_pwr_ctrl . I have tried using the example just as it is but i keep getting errors when trying to build as can be seen in the...
I have a custom board with an I2C connected sensor ADXL345. I have to do GPI/O initialization to select the I2C. This works because I can read the ADXL with custom I2C commands...
Hi
I am using nrf52840 in my custom board. I have a gpio button which is assigned for as a factory reset button. So when i press the button the whole board needs toi be...
Hello,
we are looking to develop multiple BLE audio source which sends the mic data to the receiver and the receiver receive the audio data from multiple transmitters...
