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'm developing a project where the device wakes from system_off using a button. I've noticed that it takes about half a second from the time the bootloader starts until the...
I updated the original question
Hi, I am working with two nRF52 SDK13 central and peripheral, with no display, each is connected thought UART to a software interface,...
Hi All,
I have below requirement on NFC. please suggest how to start with the same.
1.NFC operation. (Simple Read Write into NFC Tag Memory).
We need to see a demo...
Hi,
we are trying to use pc-ble-driver (source and hex files from tag v3.0.0) together with nRF52 DK. We are running the heart rate example code on Ubuntu 16.04 (tried both...
Hi,
I'm very new to the NRF5-sdk and I found out about NRF5-sdk for eddystone on github.
I would like to ask, Is the NRF5-sdk for eddystone compatible with BMD-350 board...
Hello,
I'm currently trying to build my Keil project. i2c.c file in my project is using nrf_drv_twi driver functions.
So I included nrf_drv_twi.h in the file (or in the...
Hi,
I'm getting started with a couple of nRF52 boards. I want to pair the boards to each other (one central and one peripheral). Then I will have buttons connected to the...
Hello, when transmitting packets with nRF52832 is there any chance to keep the carrier frequency off until the first bit of the preamble is being sent? (The product specification...
Symptom
Depending on the data values written to the log this either triggers a hardfault or executes some random code with random results.
Repeatability
I can reproduce...
Hi,
I do use a power supply which generates +3.3V and +5.0V .
Please, could you explain me what will be the energy efficient way to connect them to nRF52840?
VDD_HV...
Hi,
I am new to Nordic products. Could you help me and give me links to where to get started?
Could you tell me how can I setup eclipse for my DK and Keil for this DK...
Hello,
I just wanted to update previous similar questions for the nRF52 series, old one for nRF51 is here: devzone.nordicsemi.com/.../
At page 151, section 20.4, of the...
Hello,
I'm working with FDS and I have declared a variable like this:
__ALIGN(4) static uint32_t data;
My code compiles and works correctly but Eclipse complains...
I am using an nRF51422 for BLE and other code applciations. The data is transmitted via BLE and the module goes to sleep. But I am unable to wake it up without using a Reset...
