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hello there
I am interfacing master nrf51 dk with nxp's slave lpc11u24
(1) my main...
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...
Hello!
I need sensitive gpio.
I want that is gpio rising in 20[nsec].
However, the test results using the function below show that the gpio rise time is 200 nsec...
Hi,
I am new to the BLE environment. I am trying to connect my smart phone with nRF52832 development kit over BLE. Here, my smart phone should be able to send some user...
I am looking to extend the RTC beyond 24 bits using the Overflow interrupt.
The code in the rtc handler would look like:
static void rtc_handler(nrf_drv_rtc_int_type_t...
I have been trying to install the new version of everything Nordic 52.
That starts with the MDK 5.18.
To make sure I don't have an update problem I do a clean install...
Hi,
I want to know about mathematical formula to find / estimate the battery life of Bluetooth beacon containing NRF8240. If chip is transmitting at +8 dBm and have 1000...
Hi,
I add the NUS in the ble_app_hids_mouse example which the sdk version is 14.0.
There are four services in the project: dis, bas, hids and nus.
When I connceted the...
hi all ,
I am looking out theory about SM layer in BLE . I read CoreV5.0 but I do not understand much about pairing , bonding , STK , LTK . Can you give me some document...
Can the link between two devices communicating with each other via NRF24L01+ be improved by using Tx messages with no ack (W_TX_PAYLOAD_NO_ACK) instead of messages with ack...
Specifically, sinking a Cree C503B green LED (Vf 3.2V at 20ma) from a GPIO configured for high drive, without a current limiting resistor, from VDD 3.6V?
Figure 23 “GPIO...
Hello All
We are using nordic thread sdk's sample simple coap client and server.We want to ON/OFF LED of coap client from coap server.
Can any one help how we can achieve...
In SDK13, the initialisation of the low frequency clock used to be done within sd_softdevice_enable . In the SDK14 version of nrf_dfu.c , the LF-clock is already initialized...
Hi, I want to use the AES-CCM of nRF52832. But it can not work with the softdivice. I have read the following question and answer.
https://devzone.nordicsemi.com/question...
Hello All,
I have a peripheral device where one service with 4 characteristics is implemented.
Out of these 4 in 3 services notify is enabled.
Now I want to subscribe...
I have a situation in which a central device (A) must be able to receive from a power constrained peripheral (B) with very low latency, but likely at long intervals.
To...
