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 added a new model to light_switch/server project according this , but how to test it working successfully or not?
I have tried to modify the light_switch/client to accept...
Hi,
When i do as the document say, i download the firmware to the development kit, and then i don't know which pin is the Tx and the Rx. How can i do all the function test...
Hello, I bought nRF51dk (pca10028) a year ago it was working fine last year in Segger Development Studio, now it gives build error "core_cm0.h: No such file or directory"...
Hi guys, me again.
Thanks for all the help before. I was developing me code with the example uart and now would like to control a LED with PWM output.
I have went through...
Is there a way around the issue where bluetooth communication acting as a pass-though terminates the packet whenever null character is found in the packet.
SDK: nRF5_SDK_12...
Hi,
I'm using the evaluation board PCA10040 with Segger Embedded Studio. It stopped working well and I get erroneous services even with the supplied examples (ble_app_blinky...
The device is broadcasting as "DfuTarg" and i want it to come out of the bootloader mode back to the application mode. Is there is a command i can issue to Secure DFU Characteristic...
Hi,
I'm modifying files in the NRF5_SDK_14.2 distribution and it is not clear to me which ones are part of the core SoftDevice libraries (and I, therefore, should not change...
(I know it has been asked before, but I thought I'd check in again..)
Has anyone had any success implementing the Dallas one-wire protocol on the NRF51822 - in particular...
Hello,
I imagine this is a pretty common and basic question but I couldn't find anything online.
Since the nRF52xxx chips are single-band 2.4GHz (and possibly sub-GHz...
I'm having trouble writing to a gatt characteristic using the python bindings for pc-ble-driver
Service discovery works fine, I managed to connect to a BLE server and reading...
I have a device that I need to control, that needs 2 different square wave signals of different frequencies (although they may be multiples of each other), one at around 4...
Hi all. I try to run capacitive sensor example on nRF52832 with my hand made capacitive sensor which I made according to this tutorial devzone.nordicsemi.com/.../.I connected...
Hello,
When i execute a function that uses TWI from a timer handler the NRF gets stuck.
I assumed that this issue occurs because of interrupt priority so i gave the TWI...