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...
Central info SDK: 15.3 nRF52840
Uart communication is used. In rare cases, the value obtained by checking the waveform with an oscilloscope was different from the value...
Hello everbody,
I readed alot about the nrf52480 "how to flash softdevice and the other stuff", but i cannot get the ble_app_gls working out of the scratch.
I have the...
Hello everyone, I am trying to implement audio processings algorithms with my nrf52DK.
What i need to do in order : 1- Sample my audio signal ( It will be guitar sound ...
I need to use a nRF52 chip to handle interrupts with low (and known) latency. Basically, there are specific ~100 us long intervals during which I need interrupt latency to...
I am trying to setup a VM (Ubuntu 19.04) that has the complete setup for NRF91 development. I have been following the instructions in the nrfConnect 3.2.0 - getting Started...
Hello Devs,
I am using app_timer to create multiple timers to read different sensors
Currently, I have 5 timers created using app_timer_create, each timer has their own...
I use nRF Connect for Desktop to download hex file(nrf52810).
Use the following example：
nRF5_SDK_15.3.0_59ac345\examples\dfu\secure_bootloader\pca10040e_ble + nRF5_SDK_15...
Hi,
How do i turn off the nrf power management library? Is there any function like nrf_pwr_mgmt_uninit()?
The reason i want to turn it off is because it causes the usbd_msc...
I have a requirement for BLE and 802.15.4 stacks in a multiprotocol environment. I have looked at the sample at NordicSemiconductor/nRF-IEEE-802.15.4-radio-driver on github...
I am trying to initialize the RTC and trigger an interrupt every 10 seconds, and I am unsure of why the code above is not working. I followed a similar method to initialize...
Hi,
I'm working with the nrf52840 and spi mngr to talk to a SPI flash memory (AT25SF081). I use nrf_spi_mngr_perform to send a command to read the manufacturer ID
...
Hello,
I am having some trouble attempting to advertise a single custom 128bit uuid. I have two custom services sharing the same base uuid. Everything works correctly after...
I am trying to add major minor values in the ble_app_hrs example in SDK_15.3.0. I am getting an error code of 12 which is invalid data size at:
err_code = ble_advdata_encode...
Hello,
I am using SDK version15.20,pca10056,s140.
In my application I am using Bluetooth to send the data values at the rate of 750 samples per second. By sending 3 set...
