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...
I am using nrf sdk v2.4.0 and I wanted to disable TFM so I added the following definition in prj.conf.
CONFIG_NRF_SECURITY =n
CONFIG_BUILD_WITH_TFM =n
But my program...
A problem is experienced with our nRF52840 device, which occasionally stops working and cannot be reset.
Below are the issues observed:
The main software is stopped...
I am working on the broadcast_audio_source example, trying to access audio from the I2S microphone. However, I do not have much experience with Zephyr. The example is mostly...
The thread where it happens is "unknown” despite the fact I name all the threads I create. With addr2line I found that it is zephyr/kernel/timeout.c 56 but it says nothing...
Hi ,I am new to nrf .I am currently using nrf5340,so i want to just print raw data of sph0645 using zephyr.I tested with examples of echo but i didnt achieved to print raw...
Dear all,
I'm designing a circuit that should allow powering the nRF52840 board with either an USB power supply (USB2) or a (non-rechargeable) CR2032 battery (B1). According...
Hello.
I encountered the following problem. I have an nRF52840 microcontroller that is already soldered onto the PCB board. It doesn't have any bootloader. As an example...
Hi,
We have an nRF9161DK and received our own custom boards this week. When we tried to program our custom board, the development kit disconnected from the computer and...
Hi all!
I'm in the process of trying to put together an nb-iot app on Android studios that would communicate with data from the Thingy 91 board. I've been trying to go through...
Above is the trace and the commands inserted. We were unable to get a response using the at+cops? command. Both SIM cards were active that we tested. We tested band 12. Could...
Hello everyone,
I've been working on testing PPP support in SLM 2.6.1 without cmux on my Linux host machine. However, I encountered some logs during the process: Note: For...
Hi
I have 2 BLE boards with some environment sensors on them.
I need to synchronise the 2 boards with < 1 mili second precision.
one board is configured as central,...
Environment:
I can't seem to get the one button sample to do anything... I get a steady ~1sec flash from HOST led on the npm1300, but I get nothing from pushing SHPHLD...
Hi.
I have following error:
Here is my prj.conf :
I would like to avoid using CONFIG_SHARED_INTERRUPTS.
Only GPIOTE0 is on IRQ number 11 so I couldn...
I have an EC11 rotary encoder wired to my nRF52840 and I am trying to get readings from it using the sensor API. However, I'm having issues with (seemingly) garbage data....