I am using nRF51422 Evaluation Kit with the latest silicon revision which comes with programmable softdevice. The kit also contains an ANT USB-m dongle. I have followed the...
I tried to do send & receive binary data from bluetooth in ios app.
But i only can send & receive string or ASCII code data in my app, do you have any method or idea can...
Hi,
I tried ble_app_hids_mouse with Android 4.4.2, it can work properly for first time connection. However, it cannot be re-connected after switching Phone's Bluetooth...
I have installed Keil MKD-Lite V 5.10.0.0 and the Segger software (which linked to the Keil IDE). I have tried to install the nRF51 SDK (5 times) and every time iI get the...
Hi,
I am attempting to get the DFU working as per the example provided in the S110 V7.0.0-3 download. I've followed all the steps in the readme in the DFU subfolder and...
Hi all,
I have an application where an nrf24le1 is communicating serially with another processor, using the UART at 57600 bps. I have multiple identical boards communicating...
after flash DFU program into pca10001 board, com3 is not accessible,
www.dropbox.com/.../Screenshot 2014-04-26 15.41.47.png
even after I erase all, and re upload soft...
Using: Linux (Ubuntu 18.04), gcc/Eclipse, nrf52840, v15.3.0 SDK, SD 6.1.1
It has been a real bear of time using the SDFU in the newest version of the SDK. There were a lot...
Dear support,
Our team is considered doing their own smart watch, so i found that nRF52 chip is a nice solution. Just before we start, i would like to do some basic questions...
When we ported our FreeRTOS based project to SDK 15.3 from 15.2, we noticed a big jump in the CPU Usage. It turned out that the issue was in SDK 15.3's freertos port_cmsis_systick...
Hi nordic,
I send multiple bytes but always only receive packets of length = 1. For example in the picture, I sent 2 bytes 0x68, 0x69 ('DE') but only received the first...
Hi
What is the difference between ble_nus.c and ble_nus_c.c?
because i went through both the files and i felt both files are almost same except an extra function(db_discovery...
Hello, I bought a nRF52832 Breakout Board from SparkFun. from their tutorial, you can program this board using the serial bootloader and the Arduino IDE. However, aside for...
I am trying to operate a BLE5 sniffer with nrf52840dk
After connecting the dk to nrf connect desktop and programming it with a wrong code (by mistake), it is not able to...
I'm using the nRF52840 DK.
I managed to burn the on-board nRF52840 MCU several times, using the nRF connect windows app.
After several such successful burns, with various...
Hi,
According to the datasheet:
Does this mean that when i change my vdd from 3V to 2V, then the current peaks will be reduced? If so what does this:
graph means...
Hello,
I'm currently designing a custom bootloader to perform a DFU. So far I'm able to update the bootloader and the application, however there is a problem when I try...
I have been studying MQTT these days.
I'm testing the program below. https://github.com/NordicPlayground/fw-nrfconnect-nrf/blob/master/samples/nrf9160/mqtt_simple/src/main...
I use nrf52832 sdk15.2 to develop products, use WDT to prevent program crashes, WDT set time is 10S, nrf52832 will be paired and bound after connecting with IOS phone, when...
Hi!
I am trying to use the SAADC driver on SDK13, following some examples from the playground repo. I am using the app timer to trigger a measurement for 4 channels. ...
Hello,
I cant seem to find a PBKDF2 function in the SDK to generate a private key from a passphrase.
We want to use mbed-tls or CC310 to make a SHA512 based key for AES...
