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 am using nrf51 running as a peripheral and an iphone app as central. It works OK when I first use the iphone app to connect to nrf51. Then I quit the iphone app and let...
Application data is stored just before the bootloader. If I do a DFU upgrade with a larger bootloader than the one currently flashed, is this taken care of? That is, is the...
i am using keil mdk5 and i want to use nrf51822.please tell me which software i need for this and which sdk i have to download for this.i am currently troubling with doing...
I'm facing problem while program custom board. I'm using nrf51822 module( link ) & j-link EDU 9.3 version. I think there is some connection issue. Here is my connection
...
Is there any reason why no error is returned when app_fifo_get() fails in app_uart_put() (SDK 12.0.0). Couldn't the lines below:
if (app_fifo_get(&m_tx_fifo, tx_buffer...
Hello,
I'm facing some problems when trying to migrate from secure dfu debug to release mode.
I set the nrf_log to use uart instead of rtt in both debug and release...
Hello.
We are building our project based on nRF52 chip and BLE beacon firmware. Do you know if we need to buy some MAC address range from "provider" or we can code some...
Hi I know i have just asked this question 2 days ago.
and it works 2 days ago.
Thanks to Terje Schjelderup, he solved my last similar question, and kindly reply my problem...
I've tried to use stdlib's random generate function.
and as usally all of the basic C language's random generate functions does, I've used srand with Seed based random...
Hi...
See my advertise_init function to add custom 128-bit UUID.As seen in the answer of this post devzone.nordicsemi.com/.../ i have changed uuid_type but still receiving...
i am using sdk 13.0.0 for nrf52840 running on IAR compiler. I am trying to create new project for AES but i am getting error as no definition for :
Error[Li005]: no definition...
Hi,
I am working on an application which sometimes needs to send a buffer of a couple of KB to a connected smartphone using the nordic uart service.
The function used...
Hello all,
I'm currently modifying my Analog Input circuit schematics to improve precision.
I'm adding after my voltage divider, an opamp as a voltage follower to ensure...
