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,
Im using nrf52840 Im trying to emulate a chip select signal for spi slave with gpiote and ppi. I used an active high signal as an event and a signal(cs) that is toggled...
Hi everyone,
I have some questions regarding RSSI:
1. Is there any Bluetooth reference that evaluates the RSSI? For example what RSSI range is considered as perfect, moderate...
env:
SDK: nRF5_SDK_17.0.2_d674dde
KEIL- ARM
SoftDevice： s140_nrf52_7.2.0_softdevice
i can't understand how MBR jump to bootloader, and how MBR konw the start address...
I'm using SDK 17.0.2 and I'm trying to write a small central device. It should connect to a single peripheral and exchange some data.
Once the peripheral is found, central...
Hi,
I am trying to get access to the code 1.99.99-dev1 branch of the NCS, but I'm not sure where I can find this. More specifically, I would like to use the code of the...
Hi.
I am developing a small notification monitor.
It used a 150mha battery and a 0.92 oled.
I want it to be connected to my phone via Bluetooth and when I send a string...
Hello DevZone,
I have a project where I want to use NFCT for communicating and charging. I have used the NRFX_NFCT library to read and write to my transmitter because...
Hi,
I am doing the java programming with BLE advertise, and I want to make BLE advertise events stop when the advertising events number enough. Are there any methods to...
Hello,
for a device I'm developing I need to be able to set values from an App as well as from the device itself (buttons on said device). So far everything works fine...
We are working on ubuntu 18.04 LTS.
We are trying to install nvs package for smart remote 3 microphone activation but got stuck with the package installation as stated in...
I'm trying to get an overview what my options are to program an nRF52832. So far I have found:
nRF Connect for Desktop + SEGGER Embedded Studio Nordic Edition from segger...
Dear Nordic Engineers
I encountered a problem.I used the nrf5 sdk 17.0.2.I modify ble_app_hrs example.I found that if I turn on pairing, when I erase the flash, the pairing...
I'm using nrf52840 for my product. when testing the Bluetooth RF of this chip, I found that the carrier is offset by 200kHz. i read many similar problems, it seems that the...
