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...
I designed the NRF8001 into my circuit board and my application processor is connected to it. Now I need to develop my application program such that I can transmit and receive...
Hi,
I am working with the Red Bear BLE Nano 2 (nrf52832) and programming it in Arduino IDE .
I am trying to merge the BLE_HRM example with a TWI example to be able to...
Hey,
I have a problem with receiving data on my Android app.
I'm sending several data via Services & Notfication Characteristics from my NRF52840 Application to my Android...
hi,
I have some problems about pwm register.
1.NRF_PWM0->MODE
2.NRF_PWM0->COUNTERTOP
3.NRF_PWM0->LOOP
4.NRF_PWM0->DECODER
5.NRF_PWM0->SEQ[0].PTR
6.NRF_PWM0-...
I use rRF52832. After doing "Flash Tab -> Erase" of Keil's development environment, it became impossible to connect at all. I tried using nRF 5x Command Line Tools (nrfjprog...
I'm trying to port the _12.3.0_ DFU bootloader_secure example to my custom nrf51822 board.
The example can run perfectly on pca10028 board, but not on my 51822 board even...
Hi All,
I am developing an application on nRF52840 Preview DK which does not need the Soft device. But it needs the MBR to run a bootloader for Firmware update purpose....
Hi,
Now I am using nRF52382 to make a product which needs a accurate one second timing. Then I use the project "nRF5_SDK_15.0.0_a53641a\examples\peripheral\rtc" and "nRF5_SDK_15...
Hi there!
Device: nRF52 DK
App: nRF connect
Compiler/IDE: Segger Embedded studio
SDK version: 14.2
Soft device: s132
Problem description: I am trying to run blood...
Hi,
I am reading a BMX055 via I2C which consists of three sensors with three addresses.
I got the easyDMA running to read 10 times the gyro using the PPI and the data...
Hello,
my first question is about TX carrier frequency accuracy measurement. The equation given in the whtie papers is
(|f_measured - f_programmed|) / f_programmed <=...
Why is the event length of the BLE Central HRS demo set to such a high value of 320*1.25ms = 400ms?
The demo seems to work ok with the BLE Peripheral HRS demo using the...
Does the Battery Service Client (ble_bas_c) module handle subscribing to notifications from multiple slaves? In my use case, I have the nRF52840 dev kit connecting to multiple...
