It is good practice to prefix the includes from one's C libraries with a directory so that they are all part of the same 'include namespace'. Unfortunately the Nordic SDK...
Hi, is there an available developer in my tri-state area of Minnesota, N. Dakota, or S. Dakota? Please call me if you are available for a project for hire. The developer should...
I'm trying to design a very low power sensor that takes readings using ADC and SPI 200 times a second. I'm a bit worried by the current EasyDMA uses (1.1mA). As far as I can...
Hi, I am working on a project where I want to make one nrf51288 chip as central hub and connect that to a android phone and other salve nrf51288 .
idea similar to this: ...
Hi,
I have a code programming the nRF51422 development board to write to a Sharp Memory 96x96 pixel LCD screen using SPI.
Currently the code writes two numbers and a...
I've modified the ble_app_uart example by adding GPIOTE so that the transmitter sends a character to the receiver when a GPIO pin is toggled. This part is working well.
...
I'm developing a system which consists of 1 or more remotes (3 or 4 max) that have to communicate with a single host.
I need a fairly simple protocol, low power optimised...
hello all,
I am using nRF52832 and blow is my querry.
Implementation of power ON/Off feature:We are able to put the board to system ON low power and System OFF low...
I am using radio notification to change every advertisement packet. Here is my code:
static void on_ble_radio_active_evt(bool radio_active) {
if (radio_active) {
advertising_data_init...
Hi all!
I'm trying to move to SDK 14 with some project.
if NRF_SDH_BLE_GATT_MAX_MTU_SIZE = 23..70 all works good.
if NRF_SDH_BLE_GATT_MAX_MTU_SIZE > 72 exception happens...
Hello, I am investigating the possibility of integrating the DTM functionality into our app (which uses the softdevice) to allow us to use a single image for production testing...
Hi,
I am using the SAADC example in SDK 12.2.0 together with SoftDevice (S132, v3) and its working fine without any problems. As a modification, I want to uninitialise...
After calling sd_ble_gap_connect() at an arbitrary time, how does the central actually connects to the peripheral?
Assuming the client probably listens only at certain times...
Hi all,
Is there a way to change the UART pins configuration to bypass the segger jlink debugger on the nRF51/52 devices? I would like NOT to use this debugger chip for...
I am trying to receive a string of 708 characters via BLE. As BLE cap a maximum of 20 bytes per transmission, at the mobile app side I break the data to be send every 20 characters...
Hi All.
I wanna to continue Advertising during peripheral connection due connectable ADV prohibited if Peripheral connection established for nRF52840.
Is it possible to...
I'm trying to print a 20 byte array over uart before sending it on BLE. My array contains:
{0x34, 0x12, 0x00, 0xFF, 0x00, 0xFF, ..., 0x00, 0xFF}
However when I try...
Hi, i am actually working on a smart lock and i want to implement an Automatic Unlock.
This functionnality can be really useful, because the door unlock even if your smartphone...
Does the ACL peripheral protect flash from Read/Write/Erase of CPU and all peripherals? or just CPU? or do some peripherals have a privileged access? (such as the CryptoCell...
Hello,
I'm working on a project that needs sha1 hash functionality and I found this thread about the integration of openssl hmac lib:
devzone.nordicsemi.com/.../
...
