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...
We are working on a asset tracking device which will operate with a 3V CR2016 (85mAh) coin cell battery or smaller.
Per our understanding, the max interval of S110 softdevice...
I am using nRF51822 with S130 stack.
Some of my flash write works fine, some return NRF_ERROR_INVALID_ADDR,
I could not figure out exact cause, all my addres is word-aligned...
Hello,
I know this issue has been discussed several times on the Dev Zone, but in every post, i found the same answer and this answer does not help me.
As I read, intalling...
Hello.
I try to build small network: 1 central device (CD), several relay devices (RD), several broadcast devices (ED). CD and RD have to receive commands all the time...
I am using adv_report_parse to try and return the device names the scanner picks up. However it returns some bizarre charters after the name....
it should read P Device...
hello,
Please forgive me if I am asking a stupid question.
I was editing S130 demo app and I included pstorage.c file to the project. while compiling it is showing error...
I have compiled my mbed program and hex file has been downloaded but I am unable to drag and drop my hex file to mbed USB drive. It is saying Not Ejected properly. I tried...
I am following app note nAN-29 "nRF51 Development with GCC and Eclipse Application Note v1.1". In the section "Flash download" there is mention of an executable called nrfjprog...
Hi
I use the PORT EVENT to produce multiple interrupts.But I have a question by these:
NRF_GPIO->PIN_CNF[BUTTON1] =
(GPIO_PIN_CNF_SENSE_Low << GPIO_PIN_CNF_SENSE_Pos...
Hi,
have some of you expierence with profiling on a nrf51422? I think what would be nessesary, is at least one high priority timer, to sample the program counter, some kind...
Hi,
I’ trying to save some user configuration data on the NRF51822 Flash using pstorage module.
Below is the code that I wrote, the code runs on the board with no error...
I have two boards based on nRF51822 parts:
Nordic dev kit PCA10005 Rev 2.2.0 2014.14, chip marked N51822-QFAAG0-1351AG
Custom board with Fujitsu MBH7BLZ02-109004...
I'm getting an error which says the identifier ble_temperature_t is undefined, and it is showing as an error in the keil (unkown type name). However when I click on the variable...
Hi everybody,
I just received the nRF51822 EK and as I was starting to set it up I ran into this. It took me a while to figure it out but when trying lo load the blinky...