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 have tried to write some characters like device name for BLE device. When I called
Code:
grantPermissionCharacter?.service.peripheral.writeValue(data1, for: grantPermissionCharacter...
The bluetooth icon in the status bar is gray, not white although I connected ble_app_hts(PCA10028) with nRF Toolbox(android app).
Doesn't android recognize connection state...
Hello,
using buttonless_dfu app, the app switch to bootloader as the upload is started with nrf toolbox on android,
but with iOS, the upload never starts the LOG error is...
The Bluetooth Mesh SDK is currently tagged as alpha software. Is there a timetable for its progression into beta and to a stable release?
I'm evaluating the nRF52832 for...
Hi, currently I'm working on ultra low power device. This device need to be wake up in 333 ms interval. I use RTC for this. My question is about strange current spikes with...
Hi,
I am using the nrf52 DK (PCA10040) and have a problem with the USB-UART. For some reason I do not see any log messages in the terminal.
I started with the "coap server...
I used SEGGER Embedded Studio to make ble_mesh_v0.9.1-Alpha project, there was an error while executing the flash_area_is_valid function, this problem occurs in the NRF51822...
I'm using the PCA10028, ble_app_hrs_dfu(sdk11).
Only the three screens below were repeated infinitely when I started to upgrade the softdevice through DFU.
And the...
My android version is the Kitkat.
The nRF Toolbox cannot find services when I changed the application of PCA10028 for example from ble_app_hts to ble_app_hrs.
The message...
Hi I am developing an application for sending data over BLE which I have received over SPI from a non - Nordic chip. I am using the ble_app_uart template for this. But data...
My call to sd_ble_gap_ppcp_set is returning NRF_ERROR_INVALID_PARAMETER.
I have the following connection interval settings:
#define MIN_CONN_INTERVAL MSEC_TO_UNITS(500...
I am running SDK12.3 on an nRF52 and the bootloader on my boards has no problem replacing the application through the DFU process. Now I found a mistake in the bootloader...
I am not sure whether there is a small error in a Gazell packet transaction diagram, or if I have an incorrect understanding. From Gazell user guide :
If only the ACK...
Hi,
I am trying to achieve the maximum throughput when using the nRF51822.As far as I know, the minimum connection interval is 7.5ms and the maximum packets per interval...
