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...
Hi,
I am working on DFU-OTA example. am looking for example , which will help me to copy image from slot1 to slot0 without using scratch pad. it has to override the image...
Hello Team,
I am using the ble_app_hrs_rscs_relay example where NRF52 acts both as a central and peripheral. My question is that when I remove the heart sensor Polar H10...
Hi,
I am working on DFU-OTA sample as suggested in this link. https://devzone.nordicsemi.com/f/nordic-q-a/84766/sample-ncs-code-to-evaluate-dfu-ota-on-nrf52833 .
For nrf52833...
Hello,
I'm using a custom board and i actually have a problem that I never saw before : error 34 (0x22) GATT CONN LMP TIMEOUT.
I have send frames : I did my own custom...
I have a custom design with NRF9160. I try to use the debug output of the NRF9160 DK, but on the debug-out of the nrf91 DK it is not recognize (target Voltage is visible at...
we use nRF52833,SDK:S140,17.2,sometims,the device goes into trouble and the error code is 0x715.
here is the call stack:
/port.c:128 0x00027482 PendSV_Handler
/port...
When developing a BLE device with nRF52840, the following error occurred when importing the header file for spi communication.
ERROR ['NRF_DRV_SPI_INSTANCE_0' undeclared...
I am using FreeRTOS with FatFS/SD card. SDK is nRF5_SDK_17.0.2.
If different tasks access FatFS API in different task, is it thread-safe? i.e. Task A access file A and task...
Hi,
I'm integrating the ble_app_uart example into my project. However, the UART interrupt works a little differently than I expect. I initialized the UART with APP_UART_FIFO_INIT...
Hello
I followed the doc blew for building sample
- https://infocenter.nordicsemi.com/topic/ug_gsg_ses/UG/gsg/intro.html
- https://devzone.nordicsemi.com/nordic/nordic...
Hi,
Currently I have a NRF52832 chip that I am using in a project. The chip is inaccessible since it is inside a device -- I have been performing software updates via the...
I've mistakenly closed the case https://devzone.nordicsemi.com/f/nordic-q-a/85450/insufficientresources-error-message-while-performing-usb-dfu?ReplyFilter=Answers&ReplySortBy...
Hello,
I am referring to the ISP4520 example code .
I would like to change the I2C(TWI) pin assignments as below.
SCL:P0_07 / SDA:P0_12
But I can't find where to set...
SDK 17.1.0
nRF52840 DK central + nRF52840 peripheral device
Hello,
I'm attempting to set up reading characteristic values on the nRF52840 DK as a central from a peripheral...
hi,
We are currently having some problems erasing flash，The problem recurrence rate was 1%，the recurrence rate of specify chip problems is 100%，Here are some scenarios as...
