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,
My config: - nRF SDK v17.1.0 - nRF SoftDevice S140 7.2.0 - FreeRTOS Kernel v10.0.0 (Amazon.com)
My project used BLE connection with custom service (based on NUS...
I want to use dynamic memory allocation. After searching these forums, I see the following options:
malloc
k_malloc
nrf_malloc
balloc
I haven't had success with...
Hello everyone I hope you all had a good start to the week. I am stuck with an issue I don't quite get. I wrote code with BLE, FreeRTOS, and GPIOTE as a "proof of concept...
Hi,
I'm evaluating the NCS peripheral_uart example for our needs.
I have an issue with deploying this example to an PCA10040 board. While running the example built for...
Hi All!
I have a problem which i can't really understood. I'm using nRF5340-DK evaluation board, and currently i'm trying to get one of timer (TIMER1 in this example)...
Hello,
I have a Nordic connected to a STM32. The DFU procedure on the Nordic works fine and I am able to upload and run a new firmware in buttonless mode. The Nordic also...
nPM1100 use JEITA profile that has charging range 0-60gc. Most batteries has charging range 0-45gc. Is it possible to limit charging to 0-45gc with this chip, or is JEITA...
Hi,
I am developing a product using the SoftDevcie s140 and SDK 17.0.2.
I have the problem, that the standard FreeRTOS port defines configTICK_SOURCE to FREERTOS_USE_RTC...
Hi,
I have a nrf52832 dk(pca10040 1.2.1), use gpio P0.29, P0.30, P0.31 to connect some external device,
external device working voltage is maximum 2.2v, so I connect external...
While running UART rx and tx calls the uart_callback_set I have set during initialization will stop running. This prevents me from sending or receiving any new UART information...
Hello,
Could you tell me if SoftDevice V7.3.0 can be used in SDK 17.0.2?
According to the following website, you should use Softdevice V7.2.0 in SDK 17.0.2.
https...
Hi,
I use a pca10056 with the "mqttsn_sleepy_publisher" example. Unfortunately, I cant connect to the mqttsn gateway. It throws me:
"NRF_LOG_ERROR("CONNECT message could...
Hi,
I am trying to perform buttonless DFU on my NRF52840 DK. I am using SDK 15.30. I performed following steps for DFU.
1. I flashed softdevice S140 6.1.1 using nrf connect...
