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...
We would like to enable the flash protection for an nRF52 application with the typical scenario:
to disable flash reads from the JTAG,SWD interface; only erase/reprogram...
Hello everyone.Recently I try to send some information from a "nrf51822" to phone when they are connected .So I choose "ble_app_hrs" example program,and I add two characteristics...
Hi everyone
I am working with nrf51 and I need to know how much my specific code occupies in the flash memory (I know how much is the available memory).
Thank you
I have two board - 51422AC based PCA10028 and 51822AA based custom board. Custom board doesn't have 32768 OSC.
My goal is to let custom board work with example project...
I want to use my stand alone SEGGER with nRFgo Studio. How do I do that?
It looks lite nRFgo Studio only recognises the PCA10028 board as a SEGGER but not my stand alone...
I have a ble_uart application which is working when I load it on the chip. But it will not automaticly run again if I unplug the supply and just plugin again. When I unplug...
hi,
i am using eclipse IDE to build the blinky example with soft device s130(using SDK11). i added the make file and .ld script and linked all files which is required....
Dear Nordic family,
I tried programming Raytac MDBT40 with the LED blinking code (taken from the example project of SDK 8) which worked with nRF51822 Bluetooth Low Energy...
Hi
I have been using the DFU for quite a while. I adapted the boot loader to my hardware and compiled it using Keil.
All my other code is written in another environment...
Dear Nordic Developers!
When I call the sd_power_system_off() function to put the MCU to system OFF, after that I can still see the advertiser device in MasterControlPanel...
Hi!
First of all, I'm using the nrf52 PCA 10040 DK, with SDK11.0.0, and my Soft Device is 132 2.0.2.
I'm developing an app for comunicating with a sensor via SPI (send...
Hi,
Am starting custom service to support custom profile and it works without any issues.
But when I add DFU service also to start after custom service DFU service fails...
Hi All,
I have a question about use of super/ultra-capacitor in a circuit using a module BLE (nrf51822 inside) instead of accu Li-Pol / Li-ion ?
it is possible to use...
I am looking to use the nRF51822 in my product and have been given a nRF51822 development kit however i have been looking for access to the Firmware and Hardware files and...