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...
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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...
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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,
today I had a problem where a timer was causing my device to reset after a while, because the app scheduler queue got full and it was raising an NRF_ERROR_NO_MEM...
Hi!
I am playing with NRF cloud and Android phone gateway. I am not able to find out how to carry out firmware update over NRF cloud. Would you please shed some light?...
I am developing an application with a single service that has a single characteristic with read and write operations.
I want to give the ability to writing to this characteristic...
Hello,
I am working on a project with STM32 master and nRF51822 slave connecting to Android/iOS mobile apps.
I send the advertising parameters from STM32 to my nRF51822...
Hi,
I am new to firmware engineering. I have a simple and basic question.
If there's Timer A and B, and both interval is 100ms, what happens to the timeout handler functions...
I want to add some configuration files to nrf52, so can I write data in flash and read when I want.......I have the example code of twi master_twi slave but it engages the...
I have followed the instructions for sniffing ble packets with wireshark. Errors would occur when using 2.2.5 so I switched to the latest development version. See this question...
Hi, I am developer of indoor location tracking solutions for asset tracking applications, actively looking out for new technologies, i would like to understand what are the...
Normally I am using nrf51 for peripheral(sdk 8.0.0 s110) and central(sdk10.0.0 s130) device. But I want to use nrf52 for just central device. I tried nrf52 for central(with...
Hello All
Currently i am using nRF51422-DK (PCA10028) Board .I am planing make mesh network using nRF51 devices.i go through the mesh network introduction document which...
Hi,
I'm trying to set a button as an interrupt source. I wrote this code:
void Init(void){
pwrmng_MainStatus = PWRMNG_STS_STARTUP;
//LED
#ifdef DEBUG_LED
nrf_gpio_cfg_output...
I want to read the status of LFCLK,but I find that ,the value I have readed is awayls zero! my code is follow :
LFCLK_State = ((NRF_CLOCK->LFCLKSTAT) >> 16) & 0x00000001;...
Hi,
I had done secure OTA in nRF51 DK board using SDK 12.2.0 and s130 2.0.1 softdevice. Now, i am trying to same thing with my custom Board RL-51822-A1.
For that first...
I cloned the demo project inside the Keil MDK5, from the following path:
pack installer
device = "nRF51822_xxAC"
examples = "uart_pca10028, UART_Example_Application...
Hi,
I want to use the nRF BLE Sniffer to detect wether a connection (between my fitness tracker and smart phone) is present or not.
I am able to get the advertisement...
