Hello,
I have an NRF51822 (redbealab ble nano) that I would like to use to count pulses in very low power mode.
Pulses are asynchronous
The rate of pulses can...
Hi
I'm attempting to read a PT-100 sensor value that is part of a voltage divider using a nRF52.
Both the reference resistor and the PT-100 is sampled while the voltage...
Hi
I have been searching the forums, but were not able to find an answer to my question.
I'm trying to sample 4 analog inputs on the nRF51-DK using the ADC hal. (SDK10...
Hi
I have been trying to get two NRF24L01 chips communicate with each other since a week now, without much success. All what I can find on the net is Arduino examples using...
Hi
I have done several projects with the nRF905. I know the device quite well. Normally I use the CD, AM and DR interrupt pins to determine the status of the device, my current...
i made this project to try to create RSC service on arduino
developer.bluetooth.org/.../runningspeedandcadence.zip
unfortunately the server starts but i'm not able to...
Hello,
Could someone give me a hint with the following problem?
I am using two example projects (ble_app_uart_c, ble_app_hrs) to connect a central and a peripheral.
An...
Hello all,
I have noticed that a delay appear periodically when writing SD card for example, I have something that the following code
Unfortunately, I have a jump...
Hello Nordic Team
I am working on nRF52832 MCU, SDK-11. I want to calculate available space so that I can save custom sensors data in chip.
According to datasheet we have...
I am working with nRFx modules and have a few questions about updating parameters. I started my project with an example and modified what I needed. However, I am not sure...
Hello Nordic experts,
I am trying to add an output endpoint to the usbd_hid_generic example in nRF5_SDK_15.0.0_a53641a. I exactly followed the suggestions in
https://devzone...
Hi,
I am using nrf52840 preview DK as a transmitter and try to get rssi by a linux lib. and it works well. and now I want to find advertisement channel number, because the...
I try to integrate Mult-touch(touch screen) and Keyboard feature in a single program, when I run this program, the phone side(Android8.0 based) can only receive Mult-touch...
When using nRF connect for desktop on ubuntu I can't go through the "Select serial port" step because I got the following error message:
"Could not open the port. Please...
With the release of SDK 15 has come the new nrfx module API's which seem to be easy to port to. One thing I have seen in the nrfx templates is the use of the nrfx_config.h...
Hi,
We are using nrf52832 micro controller and our device is consuming about 14mA current right now.so i have 2 querries that
1. How can we put our nrf into low power...
Hello,
I encountered an interesting issue with SPI0 on the nrf52840 that I cannot explain. In short, my SPI bus would stop working shortly after communicating with my slave...
Dear Nordic Semi, I play with NRF24L01+ shield and, what I control using STM32F411RE or ADuCM4050. Once a while, NRF24L01+ chip stops and on the MISO line with permanent 0xFF...
Hello,
I have been working with the example ble_app_hids_mouse to learn a bit whitelist. My code now doesn´t have anything about the mouse anymore since i only care about...
Dear Sir / Madam,
My customer is asking me if nRF51822 is compiled to the requirements of China's RoHS 2.0. Below are the requirements for tour reference.
China RoHS 2...
