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 Everyone
I have got 3 timers in my application.
1 is repeated , and other two are Single shot which are ran from the inputs to the 1st Repeated timer.
The repeated...
I'm developing for a custom board with an nrf52832. For one of my first tasks, I activated an on-board buzzer using the nrf_pwm driver. Then I stumbled across the low power...
Hi all,
I've compiled the SDK15.2 USBD CDC ACM example and uploaded it onto a Rigado BDM340 evaluation board, and run a second USB cable to the nRF USB socket. However,...
Hello,
We are trying to develop ble_app_uart with flow control enable, the problem is when we enable the flow control. if we send large number of data, the program get crashed...
Hi,
I am developing a product based on nrf52832 using FreeRTOS and the softdevice.
I use sdk 15 and I based my softdevice configuration on the ble_app_hrs_freertos example...
If the UARTE interrupt service routine is delayed from running more than 1 byte's worth of time, then APP UART FIFO does not see all bytes queued in the UARTE's easyDMA buffer...
Is there an API to get the dfu image size? We use this in combination with s_dfu_settings.progress.firmware_image_offset to show a progress bar on the gui. In the past, we...
The bluetooth mesh iOS app seems to be no more mantained since october 2018.
The main contributor of this project seems to have stopped working on it.
There are many open...
Hello I know you have IOS ( https://github.com/NordicSemiconductor/IOS-nRF-Mesh-Library ) and Android ( https://github.com/NordicSemiconductor/Android-nRF-Mesh-Library ) libraries...
Sir,
I am using a custom board, nRF52840 based MDBT50Q. I am working on the UART example program. In my board pin number 8 is used for some other purpose. And I have seen...
Hi,
I'm using a PCA10040 devboard to test the heart rate client example. I see that when using the example from SDK v15.2.0, I can connect to my (Polar) heart rate device...
I want to echo another comment from over a year ago regarding this issue. There are a number of electrical CAD tools that can import Altium files with very high fidelity as...
Hi,
I have the nRF52480 DK and have downloaded the ble_app_blinky.
I also have an iPhone6 that I try to use. The strange thing is that in bluetooth on iPhone I can't see...
Hi!,
I'm trying to use simple_at program from https://github.com/Rallare/fw-nrfconnect-nrf2/tree/nrf9160_samples/samples/nrf9160/simple_at .
I erase all, then program...