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...
I have observed that the "Experimental Buttonless DFU Service" and its characteristics has the same UUID. But in case of other services(like battery service) the UUID for...
I know that the pairing popup won't be shown if encryption is disabled.
I was able to remove the popup on Android. However, I couldn't find a way to do it on iOS.
The...
Hi there,
I have multiple PCA10040 boards, and about a year's worth of experience developing code for them. I have suddenly started to have problems with USB-UART connections...
Greetings,
I have a setup where I have a periodic single channel low power SAADC implementation. In this the configuration is
A single SAADC channel is initialized...
Dear Nordic,
After playing around (a lot) with your nRF51 and (all) of your nRF52 devices, both on a personal and a professional level, I would find very interesting to...
I've come to the conclusion that NDEF doesn't provide the functionality that I'm looking for (primarily security). I spent some time playing around the SDK running in NFC_T4T_EMUMODE_PICC...
Hi,
I am using the ble_app_uart_c example for scanning the peripheral.
My requirement is I need a name of the device when UUID is being checked.
Means when isUUIDpresent...
I coded a simple timer using app_timer and tested it on my nRF51822-DK:
#ifndef NRF51
#error NRF51 must be defined.
#endif
#include <nrf.h>
#include <app_timer.h...
i am troubling in connection with nrf51822 with android via bluetooth.can you please tell me the procedure of how to connect nrf51822 bluetooth with android phone. i have...
Hi all,
I'm having trouble getting the buttonless DFU using the android version of NRF connect v 4.10.0 to work reliably. I have previously had it working reliably but...
We have made custom board with raytec MDBT40. Our device was working for few days on cr2032 battery and suddenly a day ago it stoped working we tried with new battery but...
hi i am interfacing mpu6050 with nrf51 dk. i find some coders in devzone. but they don't work. so i write simple code. but my problem is that if i write any thing in device...
Hi
i am trying to connect ble_app_proximity with ios (10.0.2), but every time it is generating PM_EVT_CONN_SEC_FAILED for pm_evt_handler with sdk 12.2.0
i need to implement...
My objective is , when the button is pressed , the led should glow and when am released the led should turn off.
Eventhough i have tried the example code of pin change interrupt...
I am a first time user and have very little idea about how to initialize UART. I have not used developer kits before and i am having a difficult time with it. I am on a deadline...
