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. When a lithium-ion battery is discharged (sim discharge) after not using it for a long time If you charge it at npm1100, the battery will not charge. When charging...
I have this function that normalizes acceleration from IMU:
If I enable FPU
CONFIG_FPU =y
CONFIG_FPU_SHARING =y
device works for a while (10s of seconds) then...
Hi team,
I have been trying to bring up a custom nRF8001 based BLE board using STM32 MCU. I have ported everything according to this blog shraken, not stirred: Nordic nrf8001...
Hi,
During the testing of nrf21540DK conduction power, a strange phenomenon was encountered: in DTM testing, when the transmission power was set to 0dB, there was a significant...
Hi,
I have problem with program nrf21540 UICR EFUSE. The first time, WR-UICR was able to successfully write, and after reset the reading of reg0 displayed correctly. But...
My setup includes 2 nRF52840 DKs, one flashed with periodic_adv_rsp and the other with periodic_sync_rsp. I copied the samples and auto-generated a build configuration for...
I cannot get Zephyr-only DFU over BLE working. Using an NRF52840DK. This is my prj.conf :
---
CONFIG_GPIO=y CONFIG_LOG=y # CONFIG_BOARD_HAS_NRF5_BOOTLOADER=n # Enable...
I am working on nrf5340dk board with 2.6.1 SDK and toolchains.
So, I took "mesh_shell" project as a starting point, then added external flash and mcuboot with simultaneous...
I would like to prepare my RAK4631 supported board file to Zephyr , but I am having problems with my JLink device, then I bought a new device but it didn´t arrive yet.
...
Hello,
i am using the nPM1300 with a nRF52840. This question is regaring the WDT in the nPM1300.
After reading the datasheet of the nPM1300 my understanding is, that event...
i have ZSWatch complete hardware by jackob and kempy and the link is provided below and using the vscode (nrf connect) to code in it in my case the debugger by segger technology...
am using the NRF52840 DK to interact with some BLE devices, and I am trying to use NRF Connect for Desktop Bluetooth Low Energy .
While the DK is correctly recognized in...
I'm, trying to use the ble_app_uart example for SDK v17.1. I can run the example correctly, but when I try to copy-paste the main code, I can't use the UART. I normally send...
Hello Support,
I was trying to get the information of services and characteristics from the peripheral after the connection is established.
With sd_ble_gattc_primary_services_discover...
