Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
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...
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...
Hello,
I've been working with a nRF52840DK and the ble_app_uart example (examples\ble_central\ble_app_uart_c) trying to modify it as needed for my application. The dev kit...
These days I have the following problems using NRF_SDH_BLE_OBSERVER. I have a CPP project and try to initialize the BLE-Stack in the following way:
The Project is running...
Hello
I need to use external flash upgrade to be compatible with our old products.I found some information as follows，I can build and download it but I don't know how to...
1.At this link https://www.nordicsemi.com/News/2021/06/Memfault-platform-on-the-nRF-Connect-SDK ， Nordic customers can register 100 devices for free. How to calculate these...
Hi ,
i am using nrf52840 dk board. and using 17.1 sdk for examples code.
i am trying to customize open bootloader code and trying to validate the signature of a input...
Hello,
I am creating a battery powered vending machine that syncs inventory data to a cloud. This is my first venture into wireless internet devices and I chose the nrf9160...
