We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hi all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
let say i have a temperature sensor connected to one nrf 52840 dongle of a mesh network. Now can i make the Led of all the dongles glow if the temperature increases the given...
I downloaded the latest nRF5_SDK_15.3.0_59ac345 and some other old versions of SDK documents. (I am trying to use pca10040 development kit to program Fanstel EV-BT840F, aka...
Hi
One of our customers have complained, that our sensors are making occasional errors.
I have looked at it, and they are correct. About 1 in 8 Million packets send...
Hi, I have my custom board for the nrf9160 ,
I was able to program it through the built in programmer of the nrf9160 dk but I have an issue, when I connect the VDD to the...
I'm using adafruit_tag_reader example to read ISO14443 tag. When I put a tag near scanning area of PN532. It reads tag multiple times till I remove that tag from there.
...
Hi!
I am using IAR compiler for my project
I declare global variable
__no_init u32 uPowernResetSignature;
in my code I assign value to this variable
uPowernResetSignature...
Thank you for taking time to look at my problem!
I have managed to combine the TDK/Invensense library for their IMU MPU9250 within the SDK 15 utilizing simple TWI calls...
Hi,
I have nRF9160-DK kit and its environment is set such as nRF Connect SDK and Segger Embedded Studio.
I want to build a simple application from scratch for example...
Hi, I am trying to modify UICR PSELRESET but its not changing. Any help?
NRF_UICR->PSELRESET[0] = 0xFFFFFFFF ; NRF_UICR->PSELRESET[1] = 0xFFFFFFFF ;
Thanks
Hi,
I'm developing an application using the timeslot API for a custom radio protocol. The application also uses a number of the nRF52832 peripherals, as well as the app_scheduler...
Hello,
I'm having an issue with scripting AT comands directly into the code of the nRF9160. I'm a novice at all this so I apologise if the mistake is an obvious one.
Inside...
I get "ERROR: There is no debugger connected to the PC with the given serial number." when I run e.g. nrfjprog --eraseall on command line.
Programming/debugging using VisualGDB...
Hi,
The User Guide v1.3 in Chapter 2 (minimum requirements) states "SEGGER J-Link Software" under "Software requirements". Is there J-Link software specifically for use...
I've been developing firmware for the nrf52840 for a few months using armgcc+openocd+arm-none-eabi-gcc working successfully. I recently upgraded my ubuntu version (18.04)...
Hi,
I am trying to connect to cloud MQTT (cute cat) which needs username and password for authentication. In the sample the password and username is set to NULL in client_init...
